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NASA Spin-Off Technologies

Video vocabulary

space

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US / speɪs /

UK / spes /

A1
  • noun
  • Empty area kept for a specific reason, like a car
  • Empty area with nothing in it
  • Area in the sky where the stars are
  • Area between written words on a page
  • verb
  • To make a certain distance or time between

human

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US / 'hju:mən /

UK / ˈhjumən /

A1
  • adjecitve
  • Concerning or characteristic of people
  • noun
  • A person; a man, woman or child

take

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US / teɪk /

UK / tek /

A1
  • noun
  • Filming of a single scene for TV or the movies
  • verb
  • To accept something that is offered
  • To use a method of traveling, e.g. a bus or train
  • To use a camera to make (a photo)
  • To pick up something and go away with it
  • To study a subject in school
  • To attempt to pass (an exam)
  • To require a certain amount of time, money, space

its

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US / ɪts /

UK / ɪts /

A1
  • adjecitve
  • Referring to or belonging to ‘it’
  • determiner
  • Of something; belonging or related to something
  • other
  • Possessive form of “it”

build

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US / bɪld /

UK / bɪld /

A1
  • noun
  • Your physical shape; physique
  • verb
  • To establish e.g. a reputation, over time
  • To construct a house, office, factory

damage

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US / ˈdæmɪdʒ /

UK / ˈdæmɪdʒ /

A2
  • noun
  • Physical harm that is done to something
  • verb
  • To harm physically; to hurt or break something

helmet

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US / 'helmɪt /

UK / ˈhɛlmɪt /

B1
  • noun
  • Hard or padded protective hat, as worn by soldiers

regular

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US / ˈregjələ(r) /

UK / ˈrɛɡjəlɚ /

A2
  • adjecitve
  • Having an equal amount of space or time in between
  • Occurring or being done frequently
  • Being normal, usual, or average
  • noun
  • Customers who frequently visit a place
  • Soldier who has a permanent job in the army

add

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US / æd /

UK / æd /

A1
  • verb
  • To include as well
  • To put two things or numbers together, e.g. 2+2

translucent

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US / trænsˈlu:snt /

UK / trænsˈlusənt, trænz- /

C1
  • adjecitve
  • Having the quality of being transparent

powered

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US / ˈpaʊəd /

UK / ˈpaʊərd /

A2
  • verb
  • To give energy to something, e.g. by electricity
  • To move something forcefully and quickly

original

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US / ə'rɪdʒənl /

UK / əˈrɪdʒənəl /

A2
  • adjecitve
  • Being first made, thought or performed; fresh
  • Being unique or thinking differently from others

lens

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US / lenz /

UK / lɛnz /

B1
  • noun
  • Structure in the eye or camera that focuses light
  • other
  • Pieces of glass or plastics to improve vision

look

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US / lʊk /

UK / lʊk /

A1
  • noun
  • Person's beauty or physical attractiveness
  • Particular style of dress, clothes, or appearance
  • The way someone, something appears to be
  • Act of searching for or examining something
  • verb
  • To appear to be; seem

they

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US / ðeɪ /

UK / ðe /

A1
  • pronoun
  • Two or more people, animals, or things

appliance

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US / əˈplaɪəns /

UK / əˈplaɪəns /

B2
  • noun
  • Device designed to perform common household tasks

result

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US / rɪ'zʌlt /

UK / rɪˈzʌlt /

A2
  • noun
  • Something produced through tests or experiments
  • Final score of a competition, election or game
  • verb
  • To be the outcome of other causes and effects

swimming

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US / ˈswɪmɪŋ /

UK / ˈswɪmɪŋ /

A1
  • noun
  • The act of moving through water
  • verb
  • To move through water by moving parts of the body

work

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US / wɜ:k /

UK / wɚk /

A1
  • adjecitve
  • Activity completed in order to make money
  • noun
  • The product of some artistic or literary endeavor
  • Everything created by an author, artist, musician
  • Activity you do in order to make money
  • Place of employment
  • Final product or result of a some labor or effort
  • verb
  • To bring into a specific state of success
  • To be functioning properly, e.g. a car
  • To do your job in your company or workplace
  • To make an effort to do something
  • To operate a machine or device

sleep

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US / sli:p /

UK / slip /

A1
  • noun
  • Substance in a person's eyes after waking up
  • Period of time during which a person is asleep
  • verb
  • To have enough beds for
  • To rest your body in bed, as at night time

drill

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US / drɪl /

UK / drɪl /

B1
  • noun
  • A machine that makes holes with a metal bit
  • Exercise done to learn military skills
  • Disciplined practice, as of soldiers marching
  • verb
  • To make a deep hole to find oil, gas etc.
  • To put a hole in something by using a boring tool
  • To train in something through repetition

tracker

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US / 'trækə(r) /

UK / 'trækər /

B2
  • noun
  • Person using marks to follow a wild animal

discover

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US / dɪˈskʌvə(r) /

UK / dɪˈskʌvɚ /

A2
  • verb
  • To find something new that was not known before

pressure

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US / 'preʃə(r) /

UK / ˈprɛʃɚ /

A2
  • noun
  • Anxiety caused by difficult problems
  • Force, weight when pressing against a thing
  • Strong persuasion to do something
  • verb
  • To apply force to something
  • To persuade or force someone to do something

protective

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US / prəˈtektɪv /

UK / prəˈtɛktɪv /

A2
  • adjecitve
  • Serving to defend against harm or danger

decker

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US / 'dekə /

UK / 'dekə /

A1
  • noun
  • Something constructed with multiple levels

due

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US / dju: /

UK / du, dju /

A1
  • adjecitve
  • When something is required or expected
  • Owed to a person as a right
  • noun
  • Something you deserve; something you can expect

their

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US / ðɛː /

UK / ðer /

A1
  • determiner
  • Belonging to them

carve

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US / kɑ:v /

UK / kɑ:rv /

B1
  • verb
  • To cut a piece of cooked meat into thin slices
  • To make a cut in, e.g. to write your name on tree
  • To cut wood, etc., into a particular shape

fast

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US / fɑ:st /

UK / fæst /

A1
  • adjecitve
  • In a way that is difficult to move or change
  • Moving or able to move quickly
  • Showing time that is later than the actual time
  • adverb
  • With a great deal of speed
  • noun
  • Period of time when a person chooses not to eat
  • verb
  • To refuse food for a long time

feature

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US / 'fi:tʃə(r) /

UK / ˈfitʃɚ /

A2
  • adjecitve
  • Main; important
  • noun
  • Special report in a magazine or paper
  • Distinctive or important point of something
  • verb
  • To highlight or give special importance to

show

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US / ʃəʊ /

UK / ʃo /

A1
  • noun
  • False display of love, emotion or action
  • An event for displaying or promoting goods
  • Play, opera or theater production
  • Presentation that is broadcast on TV or radio
  • verb
  • To be easily seen or displayed
  • To display your emotions or feelings
  • To let someone see something; display
  • To explain or teach how something is done
  • To lead someone somewhere; point them to something
  • To prove something to be true, correct
  • To reveal or allow something to be seen

back

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US / bæk /

UK / bæk /

A1
  • adjecitve
  • Farthest from the front e.g. in a classroom
  • adverb
  • Have returned to a place you were before
  • noun
  • The part of a chair that the upper body leans upon
  • Location at the rear of something
  • The reverse of side something
  • Area on the rear of your body
  • verb
  • To bet money on something
  • To go backwards in a car
  • To support and encourage someone or some cause

ames

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US / eɪmz /

UK / /

A1
  • proper noun
  • A city in central Iowa, home to Iowa State University; population 56,510 (est. 2008).

seat

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US / si:t /

UK / sit /

A1
  • noun
  • Place where a government or organization is based
  • A chair or place to sit
  • Official position in an organization
  • Part of a chair on which a person sits
  • verb
  • To have seats available for a number of people
  • To give someone a place to sit down

most

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US / məʊst /

UK / most /

A1
  • adverb
  • Very; extremely
  • Greatest possible degree
  • pronoun
  • Nearly all of something

temperature

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US / ˈtemprətʃə(r) /

UK / ˈtɛmpərəˌtʃʊr,-tʃɚ,ˈtɛmprə- /

A2
  • noun
  • When you your body heat is above normal
  • How hot or cold something is, e.g. the weather

put

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US / pʊt /

UK / pʊt /

A1
  • phrasal verb
  • to make a light stop shining by pressing or moving a switch
  • verb
  • To move or place a thing in a particular position
  • To rate something in importance or value
  • To write or say something in a certain manner

orthodontic

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US / ˌɔːθəʊˈdɒntɪk /

UK / ˌɔrθəˈdɑntɪk /

A1
  • adjecitve
  • Concerning or involving or practicing orthodontics

pen

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US / pen /

UK / pɛn /

A2
  • noun
  • Small fenced area where people or animals are kept
  • Writing tool that uses ink
  • verb
  • To put animals, people in a fenced or closed area
  • To write (a song, love letter, etc.)

out

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US / aʊt /

UK / aʊt /

A1
  • adverb
  • No longer stylish (e.g. fashion)
  • Away from home, business, or the usual place
  • In a direction/movement away from inside or center
  • noun
  • Act when a batter cannot continue playing
  • verb
  • To tell people a secret

agency

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US / 'eɪdʒənsɪ /

UK / ˈedʒənsi /

B1
  • noun
  • Business that provides some service for others

and

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US / ənd /

UK / ənd, ən,ænd /

A1
  • conjunction
  • Used to refer to two or more things
  • Plus; in addition; on top of that
  • Used to introduce an action that follows another

reduce

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US / rɪ'dju:s /

UK / rɪˈdus, -ˈdjus /

A2
  • verb
  • To try to decrease, e.g. your weight if overweight
  • To boil a liquid until it has decreased in amount
  • To make something smaller in size, amount, level

match

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US / mætʃ /

UK / mætʃ /

A2
  • noun
  • Something that is equal to or the same as another
  • Small stick you strike to light a fire candle etc.
  • A sports competition between two people or teams
  • Person or thing that goes well with another
  • verb
  • To equal or be as good as something else
  • To work well or look good with something else

form

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US / fɔ:m /

UK / fɔrm /

A1
  • noun
  • Sports team or person's current winning record
  • Document you complete when making an application
  • Visible shape or style; type; kind
  • verb
  • To organize something such as a club or group
  • To develop; to come into a shape or substance
  • To make something into a particular shape

occurrence

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US / əˈkʌrəns /

UK / əˈkɚrəns /

B1
  • noun
  • Specific instance of something happening

early

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US / ˈɜ:li /

UK / ˈɜ:rli /

A1
  • adjecitve
  • Happening or appearing before
  • adverb
  • Coming/happening before others in a time sequence
  • Happening sooner than expected

clean

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US / kli:n /

UK / klin /

A1
  • adjecitve
  • Not marked in any way; blank
  • Done according to the rules or standards; fair
  • Free from disease or sickness
  • Being free from dirt or marks; washed
  • Behaving well; not breaking any rules; legal
  • adverb
  • Completely; entirely
  • verb
  • To make free from dirt or marks; washed
  • To make neat and orderly e.g. a room
  • To remove the inner parts of an animal

rare

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US / reə(r) /

UK / rɛr /

A2
  • adjecitve
  • (Of meat) cooked, but still red and juicy
  • Unusual or out of the ordinary; not common

from

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US / frəm /

UK / frʌm, frɑm,frəm /

A1
  • preposition
  • Starting at a particular place, time or level

help

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US / help /

UK / hɛlp /

A1
  • noun
  • Something given to enable a person to do something
  • Assistance given to someone in need
  • Someone who makes something easier or possible
  • verb
  • To act to enable a person to do something; assist
  • To make something better or less difficult

optimize

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US / ˈɒptɪmaɪz /

UK / ˈɑ:ptɪmaɪz /

B2
  • verb
  • To make as effective as possible

company

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US / 'kʌmpənɪ /

UK / ˈkʌmpəni /

A1
  • noun
  • Good feeling from being with someone else
  • A business that sells things or provides services
  • Guests, especially in your home
  • Being with another person rather than alone

sore

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US / sɔ:(r) /

UK / sɔr, sor /

A2
  • adjecitve
  • Angry; annoyed
  • Upset or angry about something that happened
  • Feeling or giving pain, as when skin is rubbed
  • noun
  • An open or raised painful spot on the skin

suit

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US / su:t /

UK / sut /

A1
  • noun
  • Set of clothes including jacket and pants or skirt
  • Law case involving a claim of some kind
  • Set of playing cards such as hearts or diamonds
  • verb
  • To be appropriate for a given situation
  • (Of clothes) to look good on someone

spring

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US / sprɪŋ /

UK / sprɪŋ /

A1
  • noun
  • Coil of metal that lessens impact, e.g. on cars
  • Sudden jump from one place to another
  • The time when plants start growing after winter
  • Place where water flows from beneath the ground
  • verb
  • To lessen the impact of something under pressure
  • To jump into the air

false

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US / fɔ:ls /

UK / fɔ:ls /

A2
  • adjecitve
  • Not real or genuine

lot

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US / lɒt /

UK / lɑt /

A1
  • noun
  • What happens to a person in life from chance; fate
  • A group of people seen together
  • Item for sale at an auction
  • Small area of land used for a purpose e.g. parking

screen

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US / skri:n /

UK / skrin /

A2
  • noun
  • Wire net in a door or window to keep insects out
  • Displays in a theater on which movies are shown
  • Flat surface on a computer or TV showing images
  • verb
  • To hide or block something from being seen
  • To examine to find something, e.g. best candidate

study

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US / 'stʌdɪ /

UK / ˈstʌdi /

A1
  • noun
  • Room that a person studies or reads in
  • Piece of research
  • Topic or subject you research or learn about
  • verb
  • To focus on learning something usually at school

safety

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US / ˈseɪfti /

UK / ˈsefti /

A1
  • noun
  • Device on a gun to prevent accidental shooting
  • State of being free from harm or danger

food

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US / fu:d /

UK / fud /

A1
  • noun
  • What people and animals eat to live
  • Things taken in by plants to maintain life
  • A particular style or type of cooking, e.g. Asian

measure

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US / ˈmeʒə(r) /

UK / ˈmɛʒɚ /

A1
  • noun
  • Plan to achieve a desired result
  • Tool used to calculate the size of something
  • verb
  • To determine the value or importance of something
  • To calculate size, weight or temperature of

prevent

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US / prɪ'vent /

UK / prɪˈvɛnt /

A2
  • verb
  • To stop something from happening or existing

apply

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US / ə'plaɪ /

UK / əˈplaɪ /

A1
  • verb
  • To spread a substance or liquid over a surface
  • To commit your time and effort to doing something
  • To make something useful in a certain situation
  • To be relevant for a situation
  • To ask formally for (job, permission etc.)

save

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US / seɪv /

UK / sev /

A1
  • noun
  • Preventing a player in a game from scoring a goal
  • preposition
  • Except; not including
  • verb
  • To make your computer keep a file
  • To keep for future use
  • To make something unnecessary; prevent
  • To keep money so that you will have it later
  • To keep something for future use, such as money
  • To keep or rescue someone or something from harm
  • To prevent a player in a game from scoring a goal
  • To avoid the unnecessary waste of energy, etc.

against

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US / əˈgenst /

UK / əˈɡenst /

A1
  • preposition
  • In physical contact with, as for support; next to
  • In opposition to; disagreeing with

especially

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US / ɪˈspeʃəli /

UK / ɛˈspɛʃəli, ɪˈspɛʃ- /

A1
  • adverb
  • More than usual; extremely

invention

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US / ɪnˈvenʃn /

UK / ɪnˈvɛnʃən /

A2
  • noun
  • Something new that is different from other things
  • Power or ability to create new things
  • Process of creating a new device or idea

formula

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US / 'fɔ:mjələ /

UK / ˈfɔrmjələ /

A2
  • noun
  • A mathematical or scientific rule
  • Plan, rule or method for doing or making something

bioscience

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US / ˈbaɪəʊsaɪəns /

UK / ˈbaɪoʊsaɪəns /

A1
  • noun

skid

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US / skɪd /

UK / skɪd /

B2
  • noun
  • An uncontrolled slide along a surface
  • verb
  • To slide along a surface in an uncontrolled way

weight

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US / weɪt /

UK / wet /

A2
  • noun
  • How heavy something is
  • Metal object to measure how heavy something is
  • Importance, power, and influence person, thing has
  • A source of worry, sadness, or emotional stress

oral

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US / ˈɔ:rəl /

UK / ˈɔrəl /

B1
  • adjecitve
  • Concerning the mouth
  • Spoken text

would

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US / wʊd /

UK / wʊd /

A1
  • other
  • Used to indicate something imagined
  • Used to ask or request something politely
  • Verb used to indicate possibility, request etc.
  • Used to indicate a preference
  • Used to indicate a reaction
  • Indicates something that occurred repeatedly
  • Used to indicate willingness or ability to do

sensor

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US / ˈsensə(r) /

UK / ˈsɛnsɚ, -ˌsɔr /

B2
  • noun
  • Device that detects movement or physical stimuli

development

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US / dɪ'veləpmənt /

UK / dɪˈvɛləpmənt /

A2
  • noun
  • Act or process of growing bigger or more advanced
  • A new event related to a previous event

coat

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US / kəʊt /

UK / koʊt /

A2
  • noun
  • Clothing worn outside over your normal clothes
  • verb
  • To cover something thinly with something

can

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US / kæn /

UK / kən,kæn /

A1
  • noun
  • A metal container for storing food
  • other
  • Able to; have the skill to; have the time to
  • verb
  • To have permission to
  • To be possible to do
  • To preserve food by sealing it in a metal container

prosthetic

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US / prɒs'θetɪk /

UK / prɑsˈθɛtɪk /

A1
  • adjecitve
  • Artificial

give

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US / ɡɪv /

UK / ɡɪv /

A1
  • noun
  • Degree of flexibility in something, a material
  • verb
  • To hand over or present something to someone
  • To cause someone to have or experience something

research

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US / rɪ'sɜ:tʃ /

UK / rɪˈsɚtʃ, ˈriˌsɚtʃ /

A2
  • noun
  • Study done to discover new ideas and facts
  • Work done to find or discover knowledge
  • verb
  • To study in order to discover new ideas and facts

thermometer

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US / θəˈmɒmɪtə(r) /

UK / θərˈmɑ:mɪtə(r) /

C1
  • noun
  • Instrument for measuring temperature

star

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US / stɑ:(r) /

UK / stɑr /

A1
  • noun
  • Very famous person, usually an entertainer
  • Someone who does something very well
  • Your horoscope
  • A bright planet of hot gas in the night sky
  • A 5-6 sided asterisk-shape
  • verb
  • To perform or play a main role in a movie, play
  • To do something very well
  • To mark with a 5-6 sided asterisk-shape

concrete

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US / 'kɒŋkri:t /

UK / kɑnˈkrit, kɑŋ-, ˈkɑnˌkrit, ˈkɑŋ- /

B1
  • adjecitve
  • Concerning something that is physical or real
  • noun
  • Hard building material made of cement, sand, water
  • verb
  • To cover or make with a hard grey building material

structure

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US / ˈstrʌk.tʃə /

UK / ˈstrʌk.tʃɚ /

A2
  • noun
  • The way in which the parts of a system or object are arranged or organized, or a system arranged in
  • verb
  • To plan, organize, or arrange the parts of something

cushion

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US / 'kʊʃn /

UK / ˈkʊʃən /

B1
  • noun
  • Soft object to make a seat more comfortable
  • Something to protect something from being hit
  • verb
  • To protect by softening the impact of something

become

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US / bɪ'kʌm /

UK / bɪˈkʌm /

A1
  • verb
  • To begin to be; grow to be; develop into
  • To be suitable for a particular job or role

growth

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US / grəʊθ /

UK / groʊθ /

A2
  • noun
  • Improvement, development in a skill over time
  • A mass on the skin or body part related to illness
  • Act of growing

highway

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US / 'haɪweɪ /

UK / ˈhaɪˌwe /

A2
  • noun
  • Main road connecting places

pool

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US / pu:l /

UK / pul /

A2
  • noun
  • Amount collected, e.g. money, for some purpose
  • Small body of still water
  • Game of hitting balls on a table with long sticks
  • Small area of water for swimming bound by walls
  • verb
  • (Of a liquid) to collect into a small area
  • To make a collection of (resources, money etc.)

supplement

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US / 'sʌplɪmənt /

UK / ˈsʌpləmənt /

B1
  • noun
  • Added extra to support or make something complete
  • Vitamins, etc. added to diet for health reasons
  • Additional section, e.g. of a newspaper
  • verb
  • To add extra to support or make something complete

baby

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US / ˈbeɪbi /

UK / ˈbeɪbi /

A2
  • adjecitve
  • Small in size; smaller than usual
  • noun
  • A very young child, who cannot yet speak
  • verb
  • To treat someone as if they were newly born

first

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US / fɜ:st /

UK / fɚst /

A1
  • adjecitve
  • 1st; Coming before all others in time or place
  • noun
  • Something that has not happened before
  • Position of the winner of a competition

different

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US / ˈdɪfrənt /

UK / ˈdɪfrənt /

A1
  • adjecitve
  • Not of the same kind; unlike other things

oxygen

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US / 'ɒksɪdʒən /

UK / ˈɑksɪdʒən /

B1
  • noun
  • A gas in the air that we need to breathe

aware

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US / əˈwɛə /

UK / əˈwɛr /

A2
  • adjecitve
  • Knowing or feeling that something exists

corporation

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US / ˌkɔ:pəˈreɪʃn /

UK / ˌkɔːrpəˈreɪʃn /

A2
  • noun
  • Big company or a combination of several companies

watch

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US / wɒtʃ /

UK / wɑtʃ /

A1
  • noun
  • Period of time someone is responsible for guarding
  • Device you wear on your wrist that shows the time
  • Official warning statement, e.g. of bad weather
  • verb
  • To keep in check, manage, or control something
  • To look at something for entertainment, e.g. TV
  • To guard a place or people; protect child, etc.
  • To look at carefully to work out what is happening
  • To protect and care for someone or something

then

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US / ðen /

UK / ðɛn /

A1
  • adverb
  • A time that is not now
  • Following another thing in time or arrangement
  • Following on reasonably from what was just stated
  • At that time, not now

premature

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US / ˈpremətʃə(r) /

UK / ˌpri:məˈtʃʊr /

B2
  • adjecitve
  • Happening before the natural or desired time

that

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US / ðæt /

UK / ðæt, ðət /

A1
  • adjecitve
  • The person or thing being talked about
  • Used to identify something both the speakers know
  • adverb
  • Used to reinforce adjectives and adverbs
  • To such a degree
  • conjunction
  • Used to connect a noun clause
  • Used to introduce an adverbial clause
  • Used to introduce a noun clause
  • determiner
  • Used as a noun to refer to something
  • pronoun
  • Referring an object far away
  • Used to refer to the relative pronoun ‘which’

energy

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US / 'enədʒɪ /

UK / ˈɛnədʒi /

A2
  • noun
  • Physical or mental strength

tpa

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US / ˌtiː piː ˈə /

UK / tiː piː eɪ /

A1
  • abbreviation
  • TPA is an acronym

people

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US / 'pi:pl /

UK / ˈpipəl /

A1
  • noun
  • Persons sharing culture, country, background, etc.
  • Men, Women, Children

find

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US / faɪnd /

UK / faɪnd /

A1
  • noun
  • Object discovered by chance
  • Things that have been discovered from searching
  • verb
  • To become aware of something that is happening
  • To discover or meet by chance
  • To decide if someone is guilty of a crime, or not
  • To learn through study, research, or effort
  • To discover something by looking for it

slippery

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US / ˈslɪpəri /

UK / ˈslɪpəri /

B1
  • adjecitve
  • Difficult to hold or stand as it's smooth/wet/icy
  • Hard to pin down; avoiding telling facts; evasive
  • (Person) untrustworthy

runway

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US / ˈrʌnweɪ /

UK / ˈrʌnˌwe /

B1
  • noun
  • Long road where planes take off and land
  • Narrow raised stage extending into the audience

during

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US / ˈdjʊərɪŋ /

UK / ˈdʊrɪŋ, ˈdjʊr- /

A1
  • preposition
  • At some point in the course of an event or thing

include

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US / ɪnˈklu:d /

UK / ɪnˈklud /

A1
  • verb
  • To make someone, something part of a group

sensitive

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US / 'sensətɪv /

UK / ˈsɛnsɪtɪv /

A2
  • adjecitve
  • Taking offense easily; easily upset or hurt
  • (Private information) needing careful treatment
  • Concerning awareness of small differences
  • Able to recognize the feelings of others
  • Responsive to physical touch
  • Becoming unstable

like

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US / laɪk /

UK / laɪk /

A1
  • adjecitve
  • Being equal in status or kind to something else
  • Similar; the same
  • adverb
  • For example
  • preposition
  • Used as a filler; used to ad emphasis
  • In a way similar to the way something is done
  • Such as; for example
  • verb
  • To want to
  • To find something pleasing; to prefer something

astronaut

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US / ˈæstrənɔ:t /

UK / ˈæstrəˌnɔt /

B2
  • noun
  • Person who travels in space

decrease

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US / dɪˈkri:s /

UK / dɪˈkris /

B1
  • noun
  • Amount by which something has been reduced
  • verb
  • To reduce the size, amount or number of something

recycling

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US / ˌri:'saɪklɪŋ /

UK / ˌri:'saɪklɪŋ /

A2
  • noun
  • Act of using old things to make new things
  • verb
  • To use old ideas or concepts again
  • To send used things to be turned into new things

model

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US / ˈmɒdl /

UK / ˈmɑ:dl /

A2
  • adjecitve
  • Being an excellent example of
  • noun
  • Person who wears fashion to show it to the public
  • A small scale copy of a full original
  • verb
  • To wear and display clothes at a fashion show
  • To make a small scale copy of a full original

dangerous

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US / ˈdeɪndʒərəs /

UK / ˈdendʒərəs /

A1
  • adjecitve
  • Involving the chance of hurt or damage; risky

shield

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US / ʃi:ld /

UK / ʃild /

B1
  • noun
  • A family's coat of arms or insignia
  • Device used to protect from a harmful force
  • Large piece of metal, etc. carried by police, etc.
  • Large piece of metal carried for protection
  • verb
  • To cover (e.g. your face) so as to hide from
  • To cover from a dangerous or harmful force

center

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US / 'sentə /

UK / ˈsɛntɚ /

A1
  • noun
  • Community place people go health or social reasons
  • Place in the middle of something
  • Person or thing that is attracting attention
  • verb
  • To direct focus toward something

station

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US / 'steɪʃn /

UK / ˈsteʃən /

A1
  • noun
  • Building, area, place used for a specific reason
  • A person's place in society
  • Place where you can catch a train or a bus
  • Company that broadcasts radio or TV programs
  • verb
  • (Army) to be posted to a place to perform duties
  • To put a person in a certain place or position

adjustable

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US / əˈdʒʌstəbl /

UK / ə'dʒʌstəbḷ /

A2
  • adjecitve
  • Able to be changed to fit or work better

bear

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US / bɛː /

UK / bɛr /

A2
  • noun
  • Large brown animal with fur that lives in forests
  • Someone who expects stock market to fall
  • verb
  • To accept (responsibilities or duties)
  • To give birth to a child; to produce fruit
  • To accept or suffer the weight of difficulties
  • To keep moving left or right while going forward
  • To show (sign of something)
  • To support the weight of something, e.g. a bridge

discovery

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US / dɪ'skʌvərɪ /

UK / dɪˈskʌvəri /

A2
  • noun
  • Learning something for the first time

apollo

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US / ə'pɒləʊ /

UK / ə'pɑloʊ /

A1
  • proper noun
  • A god, son of Zeus and Leto and brother of Artemis. He is associated with music, poetic inspiration,
  • The American space program for landing astronauts on the moon. Apollo 8 was the first mission to orb

could

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US / kəd /

UK / kʊd /

A1
  • other
  • Past form of 'can' to mean have ability
  • Used to ask for something politely, or to offer

initially

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US / ɪˈnɪʃəli /

UK / ɪˈnɪʃəli /

A2
  • adverb
  • At first; originally

lunar

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US / ˈlu:nə(r) /

UK / ˈlunɚ /

B2
  • adjecitve
  • Concerning, about, or from the moon

know

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US / nəʊ /

UK / noʊ /

A1
  • verb
  • To be familiar with a person or place, thing
  • To feel sure or be convinced about something
  • To discover or be aware of something
  • To be able to distinguish
  • To have knowledge of things

extra

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US / 'ekstrə /

UK / 'ekstrə /

A2
  • adjecitve
  • More than necessary; additional
  • noun
  • Items more than you need; additional items
  • Person who has a small part in a movie
  • Special version of a newspaper

magnet

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US / ˈmægnət /

UK / 'mæɡnət /

B1
  • noun
  • Metal object that attracts or repels other metals
  • Something popular and able to draw people

mattress

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US / 'mætrəs /

UK / ˈmætrɪs /

B2
  • noun
  • Thick soft part of a bed that you lie on

with

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US / wɪð /

UK / wɪð, wɪθ /

A1
  • preposition
  • As an employee of a certain company
  • Against something or someone
  • By using something as a means
  • Due to; because of
  • Including
  • Possessing as a feature
  • Related to
  • (Of the manner/attitude by which you do something)
  • Used to express that people or things are together

smoke

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US / sməʊk /

UK / smoʊk /

B1
  • noun
  • Grey gas from fires and cigarettes
  • Fog of air coming from e.g. a cigarette, fire
  • verb
  • To give off a cloud of grey gas from burning
  • To add a taste to food by putting it near a fire
  • To breathe in through a cigarette, etc.

have

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US / həv /

UK / hæv /

A1
  • verb
  • To drink, smoke, eat or use something
  • To experience the effects of something
  • To organize an event, or join in an activity
  • To own, possess, or hold something
  • To cause to happen or produce a particular effect

clear

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US / klɪə(r) /

UK / klɪr /

A1
  • adjecitve
  • Empty; without anything in it or on it
  • Being certain and without doubt
  • Being without any streaks, spots, or cracks
  • Easy to understand; well-explained; obvious
  • adverb
  • Completely; entirely; through the whole of
  • Away from; free from
  • verb
  • To recover from or remove a problem
  • To get rid of the entire contents of
  • To give permission for something to happen
  • To make a place or surface empty by removing
  • To prove that someone is not guilty or to blame

foam

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US / fəʊm /

UK / foʊm /

B1
  • noun
  • Mix of a liquid and air to form a mass of bubbles
  • verb
  • To mix air and liquid to form a mass of bubbles

sample

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US / ˈsɑ:mpl /

UK / ˈsæmpl /

A2
  • noun
  • A small quantity of something used as a taster
  • verb
  • To try (e.g. food, drink), to see if you like it

government

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US / ˈgʌvənmənt /

UK / ˈɡʌvənmənt /

A1
  • noun
  • Group of people and system that rule a nation

polycrystalline

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US / ˌpɒlɪˈkrɪstəˌlaɪn /

UK / pɒlɪˈkrɪstəlaɪn /

A1
  • adjecitve
  • Composed of aggregates of crystals

sunglass

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US / 'sʌnglɑ:s /

UK / 'sʌnˌglɑ:s /

B2
  • noun
  • Dark glasses worn when it is too bright
  • Convex lens that focuses the rays of the sun

scratch

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US / skrætʃ /

UK / skrætʃ /

B1
  • noun
  • Action of rubbing your skin when itchy
  • A small cut or mark on a surface
  • verb
  • To rub your skin with your nails to stop an itch
  • To make a small cut or mark on a surface

make

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US / meɪk /

UK / mek /

A1
  • noun
  • Product made by a particular company; brand
  • verb
  • To arrange or prepare something e.g. dinner
  • To get to (a place) on time
  • To gain the status of (teacher, lawyer, etc.)
  • To create something by putting things together
  • To earn a certain amount of money at a job
  • To cause or force a person to do something
  • To cause something to happen or be formed

antenna

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US / ænˈtenə /

UK / ænˈtɛnə /

B2
  • noun
  • Antenna; device for receiving radio/ TV signal

less

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US / les /

UK / lɛs /

A1
  • adjecitve
  • Smaller in amount or degree
  • adverb
  • To a smaller degree
  • noun
  • A smaller amount
  • preposition
  • With the subtraction of

sensitivity

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US / ˌsensə'tɪvətɪ /

UK / ˌsɛnsɪˈtɪvɪti /

A2
  • noun
  • Quality of being easily hurt emotionally

essential

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US / ɪ'senʃl /

UK / ɪˈsɛnʃəl /

A2
  • adjecitve
  • Extremely or most important and necessary

the

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US / ðə /

UK / ðə /

A1
  • article
  • Used to refer to something already mentioned
  • Used to show there is only one of something
  • determiner
  • Used to describe all of a family

lead

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US / li:d /

UK / lid /

A1
  • adjecitve
  • Being the main part in movies or plays
  • noun
  • Wire for electricity, computer, etc.; cable
  • Information that could help to solve a crime
  • Main part in a play or movie
  • Heavy, gray metal element
  • Rope used to tie something to stop it escaping
  • Act of being at the front in a race or game
  • verb
  • To show the way or guide others
  • To be at the front of a race or game
  • To travel in front of; go in advance of others

invent

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US / ɪnˈvent /

UK / ɪnˈvɛnt /

A2
  • verb
  • To create something such as a story or excuse
  • To create something useful for the first time

patient

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US / 'peɪʃnt /

UK / ˈpeʃənt /

A2
  • adjecitve
  • Not getting annoyed when things take a long time
  • noun
  • Person who receives medical treatment or care

strength

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US / streŋθ /

UK / strɛŋkθ, strɛŋθ, strɛnθ /

A2
  • noun
  • Condition of being strong

wet

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US / wet /

UK / wɛt /

A1
  • adjecitve
  • Concerning a bar that serves or sells alcohol
  • Having or experiencing a great deal of rain
  • Containing water or liquid; not dry
  • verb
  • To accidentally pee in clothes or a bed

extract

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US / 'ekstrækt /

UK / ɪkˈstrækt /

B1
  • noun
  • Essential ingredient of a natural thing
  • Part taken from a longer written work
  • verb
  • To get a substance out of a plant, etc.
  • To get a person to share secret information
  • To remove something by pulling or cutting

visor

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US / ˈvaɪzə(r) /

UK / ˈvaɪzɚ /

C1
  • noun
  • Piece on helmet pulled down to protect the eyes

advance

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US / əd'vɑ:ns /

UK / ædˈvæns /

A2
  • noun
  • Forward movement by an army
  • An attempt to seduce someone
  • verb
  • (Of an army) to move forward
  • To change or improve
  • To increase in price or value
  • To move forward in a certain direction
  • To try to seduce someone

also

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US / 'ɔ:lsəʊ /

UK / ˈɔlso /

A1
  • adverb
  • In addition; too; in a similar way

other

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US / 'ʌðə(r) /

UK / ˈʌðər /

A1
  • adjecitve
  • A thing different from that mentioned
  • determiner
  • (Something) else; not the first (one)
  • pronoun
  • Being the one and only thing of that category

brace

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US / breɪs /

UK / bres /

B2
  • noun
  • Structure that strengthens a joint
  • verb
  • To prepare yourself for a struggle/difficult time

into

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US / 'ɪntə /

UK / ˈɪntu /

A1
  • preposition
  • Moving or going inside something
  • In the same direction as; in the direction of
  • So as to become; taking the state of

motor

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US / ˈməʊtə(r) /

UK / ˈmotɚ /

A2
  • adjecitve
  • Concerning cars and vehicles
  • Concerned with or involving movement of muscles
  • noun
  • An engine that drives a car, train etc.
  • verb
  • To travel in a car or automobile

rock

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US / rɒk /

UK / rɑk /

A1
  • noun
  • Type of popular music with a strong, loud beat
  • Strong, tough person who can be relied upon
  • Big stone; hard, solid substance forming mountains
  • verb
  • To be greatly upset by something, e.g. a death
  • To be extremely effective or pleasing
  • To play, sing along with, or dance to heavy music
  • To move back and forth or from side to side

this

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US / ðɪs /

UK / ðɪs /

A1
  • adjecitve
  • Used to indicate something already been discussed
  • Used to indicate something happening around now
  • adverb
  • An indication by a physical motion or gesture
  • A specific amount of
  • determiner
  • Person, thing, or idea near you
  • pronoun
  • Person, thing that has already been discussed

follow

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US / ˈfɔləu /

UK / ˈfɑlo /

A1
  • verb
  • To come after someone; be guided by someone
  • To support someone, e.g. singer or comedian
  • To be the logical result of something
  • To happen after something else happens
  • To believe a set of values or a moral teacher
  • To understand something happening or being said

run

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US / rʌn /

UK / rʌn /

A1
  • noun
  • Journey between two places made by ship or car
  • Series of similar things or successes and failures
  • Act of running; exercise of running
  • verb
  • To depart or travel according to a schedule
  • To cause an animal to move in a certain direction
  • (Of an engine) to be operating
  • To start or use a computer program
  • To flow in a certain direction, like a liquid
  • To manage or operate a business
  • To operate or drive something
  • (Of a road) to go from one place to another
  • To move your legs faster than walking

translucence

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US / trænzˈluːsns; trænsˈluːsns /

UK / trænzˈluːsnsˌtrænsˈluːsns /

A1
  • noun
  • Quality of allowing light to pass diffusely

live

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US / lɪv /

UK / liv /

A1
  • adjecitve
  • Being broadcast as events happen, not recorded
  • Carrying electric current; able to give a shock
  • Glowing because burning; hot
  • Not yet killed (for food)
  • adverb
  • (Music, drama) as it is performed
  • verb
  • To be alive
  • To experience a particular type of life
  • To make your home in a house or town

level

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US / 'levl /

UK / ˈlɛvəl /

A2
  • adjecitve
  • (Sports) equal to another
  • Being steady and determined (e.g. a voice)
  • noun
  • Specific height of something
  • Amount of ability you have compared to others
  • Floor or deck within a building
  • Tool used to determine if something is lying flat
  • verb
  • To aim a gun at someone
  • To destroy a building; flatten an area completely
  • To make things flat or even
  • To make a score equal to another, in sports

enrich

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US / ɪn'rɪtʃ /

UK / ɛnˈrɪtʃ /

B2
  • verb
  • To make someone or something better
  • To make someone wealthier; make a life happier

one

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US / wʌn /

UK / wʌn /

A1
  • pronoun
  • You; we; people in general; someone
  • The thing or person previously referred to
  • adjecitve
  • Used to refer to people generally
  • Being a strong example of (something mentioned)
  • number
  • Number 1

material

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US / məˈtɪəriəl /

UK / məˈtɪriəl /

A2
  • adjecitve
  • Relevant; (of evidence) important or significant
  • Belonging to the world of physical things
  • noun
  • Cloth; fabric
  • Supplies or data needed to do a certain thing
  • Substance from which a thing is made of

program

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US / 'prəʊɡræm /

UK / ˈproˌɡræm, -ɡrəm /

A1
  • noun
  • Small book of events in a play, concert or movie
  • A plan or schedule of events
  • Series of classes at a college or university
  • A computer application
  • TV show
  • verb
  • To make someone act or think in a certain way
  • To write computer code for a piece of software

permit

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US / pəˈmɪt /

UK / pərˈmɪt /

A2
  • noun
  • Piece of paper giving you rights to do something
  • verb
  • To allow something to happen; to give permission

power

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US / 'paʊə(r) /

UK / ˈpaʊɚ /

A1
  • noun
  • Legal or official right to perform certain actions
  • Ability to move forcefully and quickly
  • Energy of something (e.g. electricity or fuel)
  • Mathematical way to multiply a number
  • Condition of being in political control
  • Physical force, energy, and strength
  • verb
  • To give energy to something, e.g. by electricity
  • To move something forcefully and quickly

able

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US / 'eɪbl /

UK / ˈebəl /

A2
  • adjecitve
  • Skilled; good at something
  • Having the ability to do something

eyeglass

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US / ˈaɪɡlɑːs /

UK / ˈaɪɡlæs /

A1
  • other
  • Lens for correcting defective vision in one eye; held in place by facial muscles

surface

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US / 'sɜ:fɪs /

UK / ˈsɚfəs /

A2
  • adjecitve
  • Of the top layer; not deep or meaningful
  • noun
  • Top layer of the ground or of water
  • Nature or emotions that show, but may not be true
  • Outside or upper layer of something
  • verb
  • To give (road) a top layer
  • To appear after being hidden, unseen, or unknown
  • To come to the top of something; emerge
  • To come to the top level of water, mud, etc.

welcome

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US / 'welkəm /

UK / ˈwɛlkəm /

A1
  • adjecitve
  • Being what was wanted or needed
  • noun
  • Friendly greeting to someone who has arrived
  • verb
  • To greet someone who has just arrived
  • To accept or receive something happily and gladly

originally

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US / əˈrɪdʒənəli /

UK / əˈrɪdʒənəli /

A2
  • adverb
  • At first; in the beginning
  • In a new and unique manner

parking

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US / ˈpɑ:kɪŋ /

UK / ˈpɑ:rkɪŋ /

A1
  • noun
  • The area you can park your car
  • verb
  • To stay still without moving
  • To leave your car, bike in a certain place

deep

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US / di:p /

UK / dip /

A1
  • adjecitve
  • Complex and important
  • Extreme or intense
  • Going far down from the surface
  • Low in pitch, as a sound
  • adverb
  • At a certain distance beneath the surface

consumer

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US / kənˈsju:mə(r) /

UK / kənˈsumɚ /

A2
  • noun
  • Person who buys goods or services

source

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US / sɔ:s /

UK / sɔrs, sors /

A2
  • adjecitve
  • Produces or provides what is wanted or needed
  • noun
  • Piece of information; a person giving information
  • Place from which something necessary comes
  • verb
  • To get, e.g. a raw material, from somewhere

trimmer

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US / 'trɪmə(r) /

UK / 'trɪmər /

B2
  • noun
  • Machine used to thin out or trim trees/beard

since

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US / sɪns /

UK / sɪns /

A1
  • adverb
  • At a point before the present time
  • conjunction
  • For this reason; because
  • preposition
  • From the time in the past that

limb

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US / lɪm /

UK / lɪm /

B1
  • noun
  • Leg, arm, branch or wing
  • Part of something that extends out over an area

black

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US / blæk /

UK / blæk /

A1
  • adjecitve
  • Color of the sky on a dark night
  • noun
  • A person with dark skin, often of African origin
  • Person's name
  • verb
  • To fill in something to make it a very dark color

computer

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US / kəmˈpju:tə(r) /

UK / kəmˈpjutɚ /

A1
  • noun
  • Machine for storing data, accessing the internet

soon

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US / su:n /

UK / sun /

A1
  • adverb
  • At a time not long from now

special

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US / 'speʃl /

UK / ˈspɛʃəl /

A1
  • adjecitve
  • Being additional or extra
  • Different, better or greater than normal
  • noun
  • Heavily discounted sales item

test

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US / test /

UK / test /

A1
  • noun
  • A medical examination
  • Action to establish the truth or nature of
  • Examination; questions to measure knowledge
  • verb
  • To be given a medical examination
  • To try to establish the truth or nature of
  • To ask a series of questions to measure knowledge

canal

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US / kəˈnæl /

UK / kəˈnæl /

B1
  • noun
  • Channel cut through land for boats or ships

shrub

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US / ʃrʌb /

UK / ʃrʌb /

B2
  • noun
  • Leafy plant with woody stems

water

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US / 'wɔ:tə(r) /

UK / ˈwɔtɚ, ˈwɑtɚ /

A1
  • noun
  • Clear liquid that forms the seas, rivers and rain
  • Large area such as an ocean or sea
  • verb
  • (Of the eyes) to produce tears
  • (Mouth) to become wet at the thought of nice food
  • To pour liquids onto a plant to keep it alive

soil

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US / sɔɪl /

UK / sɔɪl /

B1
  • noun
  • Conditions in which something develops
  • Mix of natural material in which plants grow
  • Land of a certain country
  • verb
  • To get or become dirty

basis

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US / ˈbeɪsɪs /

UK / ˈbesɪs /

A2
  • noun
  • Main ingredient or part of something
  • Starting situation, fact, idea to develop from

microalgae

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US / ˈmaɪkə /

UK / 'maɪkə /

A1

those

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US / ðəʊz /

UK / ðoz /

A1
  • determiner
  • The people or things we are talking about
  • pronoun
  • The objects far from the speaker

under

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US / ˈʌndə(r) /

UK / ˈʌndɚ /

A1
  • adjecitve
  • In the same place as another thing, but lower
  • adverb
  • In a lower quantity or price than expected
  • preposition
  • According to the terms of an agreement or law
  • Managed or controlled by the authority of
  • Being of a lesser quality or amount than expected
  • Influenced or affected by something or someone
  • Less or lower in age, amount, size or number

animal

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US / ˈænɪml /

UK / ˈænəməl /

A1
  • noun
  • A living creature that is not a plant or person

much

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US / mʌtʃ /

UK / mʌtʃ /

A1
  • adjecitve
  • Very; to a high level or degree
  • adverb
  • A lot; large amount; a high degree of
  • Nearly; basically
  • On many occasions; often
  • noun
  • A large amount; a great quantity

technology

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US / tek'nɒlədʒɪ /

UK / tɛkˈnɑlədʒi /

A2
  • noun
  • Use or knowledge of science in industry etc.

begin

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US / bɪ'ɡɪn /

UK / ˈbeɡɪn /

A1
  • verb
  • To do the first part of an action; to start

grant

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US / ɡrɑ:nt /

UK / ɡrænt /

A2
  • noun
  • Money given for education or research
  • Person's name
  • verb
  • To admit an opinion is true but not fully agreeing
  • To give or let someone do what they want

alarm

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US / əˈlɑ:m /

UK / əˈlɑ:rm /

A2
  • noun
  • Sound or light used for a warning or alert
  • an alarm clock

for

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US / fə(r) /

UK / fɔr,fə /

A1
  • preposition
  • Used to show the purpose, or need of something

invisible

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US / ɪnˈvɪzəbl /

UK / ɪnˈvɪzəbəl /

B1
  • adjecitve
  • Being unable to be seen
  • Of money earned from services, instead of products

face

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US / feɪs /

UK / fes /

A1
  • noun
  • Side or outer surface of something
  • An expression using mouth, nose, eyes etc.
  • Front part of the head where eyes, mouth etc. are
  • Characteristics you show in public
  • verb
  • To cover a surface with something like paint
  • To deal with a problem or responsibilities
  • To look toward; point in a certain direction

thousand

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US / ˈθaʊznd /

UK / ˈθaʊzənd /

A1
  • number
  • Number 1,000

appear

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US / ə'pɪə(r) /

UK / əˈpɪr /

A1
  • verb
  • To be seen, become visible; come into sight
  • To seem to be
  • To act in a play, movie, or be mentioned in media

popular

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US / ˈpɒpjələ(r) /

UK / ˈpɑ:pjələ(r) /

A1
  • adjecitve
  • Liked or enjoyed by many people

alumina

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US / əˈluːmɪnə /

UK / əˈluːmɪnə /

A1
  • noun
  • Various forms of aluminum oxide

bedridden

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US / ˈbedrɪdn /

UK / ˈbɛdˌrɪdn: /

C2
  • adjecitve
  • Confined to bed (by illness)

ameliorate

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US / əˈmi:liəreɪt /

UK / əˈmiljəˌret /

C1
  • verb
  • To improve a bad situation; make something better

use

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US / ju:s /

UK / ju:s /

A1
  • noun
  • Ability to employ something
  • Need to enable it to work
  • Permission to do something with something
  • Act of spending money
  • Operation of a machine for its function
  • verb
  • To have; to eat, drink, consume etc.
  • To need to operate or work
  • To operate a machine, e.g. a computer
  • To treat a person badly
  • To do something with, for a task or purpose

ara

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US / /

UK / ˈerə /

A1
  • other
  • A constellation in the southern hemisphere near Telescopium and Norma
  • Macaws

memory

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US / 'memərɪ /

UK / ˈmɛməri /

A2
  • noun
  • Ability of the mind to call back past things
  • Space for the storage of information on a computer
  • Something that has been remembered

ideal

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US / aɪˈdi:əl /

UK / aɪˈdiəl, aɪˈdil /

A2
  • adjecitve
  • Exactly right; could not be better
  • Which is thought of as being perfect

many

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US / 'menɪ /

UK / ˈmɛni /

A1
  • determiner
  • Used to refer a large number of things

ame

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US / eɪm /

UK / /

A1
  • abbreviation
  • African Methodist Episcopal.

dha

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US / /

UK / /

A1
  • abbreviation
  • DHA is an acronym

beneficial

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US / ˌbenɪˈfɪʃl /

UK / ˌbɛnəˈfɪʃəl /

B1
  • adjecitve
  • Giving an advantage, having a helpful effect

nutritional

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US / njʊ'trɪʃənl /

UK / njuˈtrɪʃənl: /

B1
  • adjecitve
  • (Of foods) having positive effects on your health

originate

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US / ə'rɪdʒɪneɪt /

UK / əˈrɪdʒəˌnet /

A2
  • verb
  • To first come into existence
  • To create or start something

mission

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US / 'mɪʃn /

UK / ˈmɪʃən /

B1
  • noun
  • A task or role someone is given to do
  • Special assignment given to a person or group
  • Group tasked with a specific duty
  • A task given to someone to gain or achieve
  • Religious group wishing to convert others
  • Housing for a religious group working overseas
  • Religious or charitable task in a foreign country

foster

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US / 'fɒstə(r) /

UK / 'fɔ:stər /

B1
  • other
  • To raise a child who is not yours, for payment
  • verb
  • To raise a child who is not yours, for payment

tool

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US / tu:l /

UK / tul /

A2
  • noun
  • Device used to make things, e.g. a hammer
  • verb
  • To provide a workshop with the right equipment

bed

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US / bed /

UK / bɛd /

A1
  • noun
  • Flat bottom surface of a lake, ocean etc.
  • A piece of furniture that people sleep on
  • An area on which other things are put
  • Area of ground to grow vegetables or flowers
  • verb
  • To have sex with someone
  • To plant, fix, or attach something firmly to

develop

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US / dɪ'veləp /

UK / dɪˈvɛləp /

A1
  • verb
  • To explain something in steps and in detail
  • To create or think of something
  • To grow bigger, more complex, or more advanced
  • To make a photograph from film

detector

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US / dɪˈtektə(r) /

UK / dɪˈtɛktɚ /

A2
  • noun
  • Device that receives a signal and responds to it

contain

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US / kənˈteɪn /

UK / kənˈten /

A2
  • verb
  • To keep something from spreading
  • To hold something inside something else
  • Subtitles section
  • Many of the technological advancements of this U.S. government agency have led to inventions that we use on a daily basis.
  • Welcome to WatchMojo.com, and today we're taking a look at some consumer products that originated as NASA discoveries.
  • Invisible or Clear Braces Translucent Polycrystalline Alumina, or TPA, was originally created by NASA and Ceradyne to shield the antenna of missile trackers.
  • However, the Unitech company discovered that this material's strength and translucence was ideal for creating invisible braces.
  • This resulted in one of the most successful orthodontic products today.
  • Scratch-Resistant Glasses and Sunglasses NASA developed a protective coating especially for helmet visors that shielded astronauts from damages and scratches during space exploration.
  • Sunglasses company Foster Grant soon became aware of this and began using the coating on their plastic lenses.
  • Other companies followed suit by coating the lenses of regular glasses, and it has since become a popular addition to many services, including safety glasses, watch faces, and computer screens.
  • Enriched Baby Food In the 1980s, NASA tested microalgae as a source of oxygen and for its recycling potential.
  • Martek Biosciences Corporation soon discovered that these organisms contained rare fatty acids essential for human growth.
  • Known as DHA and ARA, these acids were soon developed into nutritional supplements and added to baby food and infant formulas.
  • Studies have shown these supplements help the growth of developing babies and appear to be especially beneficial to those born premature.
  • Infrared Ear Thermometer In the early 1990s, the Diatek Corporation used NASA's technology for measuring the temperature of the stars to create infrared oral thermometers.
  • Using a sensor, these thermometers measured the energy given off in the ear canal and made temperature taking that much faster.
  • Memory Foam NASA's Ames Research Center developed memory foam in 1966.
  • Also known as temper foam, this plastic was initially invented to ameliorate the safety of aircraft cushions.
  • Due to its special structure, memory foam can match the weight or pressure put against it and spring back to its original form.
  • Mattresses made out of the temperature sensitive material have been shown to help people sleep and to prevent bed sores for bedridden patients.
  • This shock-absorbent foam has also been used to make helmets, motorcycle seats, and prosthetic limbs.
  • Cordless Tools NASA worked with the Black & Decker Corporation for the Apollo missions in the 1960s to create a drill that would extract rock and soil samples from deep under the moon's surface.
  • A special computer program optimized the features of the lunar drill, which was battery powered and ran on a magnet motor.
  • This development permitted Black & Decker to build later technological advances, including cordless tools and appliances like power drills, shrub trimmers, and vacuum cleaners.
  • Highway Safety Grooving In the 1960s, NASA's research center found that by carving grooves into the concrete of their runways, they could make the wet and slippery surfaces less dangerous for aircraft.
  • Safety grooving was then applied to highways and roads to reduce skidding and extra water, and can also be found in swimming pools, animal pens, and parking lots.
  • Adjustable Smoke Detectors Working with the Honeywell Corporation, NASA invented an adjustable smoke detector for the first American space station, Skylab.
  • Because it had different levels of sensitivity, the smoke detector was able to decrease the occurrence of false alarms.
  • The model was later used to make consumer smoke detectors, and helped save thousands of lives.