Why so many Covid-19 variants are showing up now
A1 A2 B1 B2 C1 C2
world
US / wɜ:ld /
•UK / wɜrld /
- noun
- All the humans, events, activities on the earth
- Political division due to some kind of similarity
protect
US / prə'tekt /
•UK / prəˈtɛkt /
- verb
- To defend someone or something from harm or danger
month
US / mʌnθ /
•UK / mʌnθ /
- noun
- One of 12 28-31 day periods in the year
spike
US / spaɪk /
•UK / spaɪk /
- noun
- The top point in a graph
- Long, thin metal rod that ends in a point
- verb
- To go up to a point on a graph
scientist
US / ˈsaɪəntɪst /
•UK / ˈsaɪəntɪst /
- noun
- Person who is trained in a science
problem
US / ˈprɒbləm /
•UK / ˈprɑbləm /
- adjecitve
- Causing trouble
- noun
- Something difficult to deal with or causes trouble
- Question to show understanding of a math concept
weak
US / wi:k /
•UK / wik /
- adjecitve
- Not having a strong character
- Less valuable compared to money of other countries
- Ineffective; unconvincing; not strong
- Having little power or ability
- Not having the necessary or proper amount
- Having little power; not strong; easy to break
- (Of a drink) having lots of water and little taste
widespread
US / ˈwaɪdspred /
•UK / ˈwaɪdˈsprɛd /
- adjecitve
- Happening or existing in many places
unlikely
US / ʌnˈlaɪkli /
•UK / ʌnˈlaɪkli /
- adjecitve
- Not seeming suitable for a particular purpose
- adverb
- Not likely to happen; not likely to be the truth
notice
US / 'nəʊtɪs /
•UK / ˈnotɪs /
- noun
- Time by when you must leave, e.g. if you are fired
- Paper with an announcement, e.g. pinned to a board
- verb
- To become aware by sight, touch, or hearing
see
US / si: /
•UK / si /
- verb
- To go on a date with someone
- To predict whether something is, or will be true
- To understand what someone says
- To use your eyes to look at something
- To visit a place often for sightseeing or pleasure
- To visit or meet with someone
- To find out by waiting or looking
- To watch (a game, movie or TV show)
expert
US / 'ekspɜ:t /
•UK / ˈɛkˌspɚt /
- adjecitve
- Having special knowledge or skill
- noun
- Skillful person with special knowledge
england
US / 'ɪŋɡlənd /
•UK / ˈɪŋɡlənd /
- proper noun
- A European country that forms the largest and most southern part of Great Britain and of the United
active
US / ˈæktɪv /
•UK / ˈæktɪv /
- adjecitve
- Moving around a lot or doing many things
with
US / wɪð /
•UK / wɪð, wɪθ /
- 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
process
US / prə'ses /
•UK / ˈprɑsˌɛs, ˈproˌsɛs /
- noun
- Dealing with official forms in the way required
- Set of changes that occur slowly and naturally
- verb
- To organize and use data in a computer
- To deal with official forms in the way required
- To prepare by treating something in a certain way
- To adopt a set of actions that produce a result
- To convert by putting something through a machine
contagious
US / kənˈteɪdʒəs /
•UK / kənˈtedʒəs /
- adjecitve
- Able to be passed on by touch
dangerous
US / ˈdeɪndʒərəs /
•UK / ˈdendʒərəs /
- adjecitve
- Involving the chance of hurt or damage; risky
sample
US / ˈsɑ:mpl /
•UK / ˈsæmpl /
- noun
- A small quantity of something used as a taster
- verb
- To try (e.g. food, drink), to see if you like it
remember
US / rɪ'membə(r) /
•UK / rɪˈmɛmbɚ /
- verb
- To give someone a gift, e.g. birthday, wedding
- To hold a thought in your mind to not forget it
- To bring a previous image or idea to your mind
without
US / wɪˈðaʊt /
•UK / wɪðˈaʊt, wɪθ- /
- preposition
- Not with; not having
part
US / pɑ:t /
•UK / pɑ:rt /
- adjecitve
- To some degree; half; not fully
- noun
- Division of a book
- Ratio of something, e.g. 3 of gin, 1 of tonic
- A line in a person's hair, made with a comb
- Character an actor plays on stage, movie, or TV
- Some, but not all of a specific thing
- Role in causing something to happen
- verb
- To make a line in a person's hair, by using a comb
- To move two things apart creating a space
- To leave someone, or to break off a relationship
have
US / həv /
•UK / hæv /
- 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
cover
US / 'kʌvə(r) /
•UK / ˈkʌvɚ /
- noun
- A different version of another song
- Bed sheets; blankets
- (Police or military) protection from attack
- Amount of money to be paid in an insurance claim
- Thing you put over something to close or hide it
- Front and back part of a book or magazine
- Shelter built to protect from the natural elements
- verb
- To record a different version of another song
- To include as part of its area
- To put something over something to hide it
- To discuss a subject in a talk or meeting
- To form a layer over something so it is hidden
- To have sufficient funds to pay for something
- To include something within an agreed limit
- To report news on TV, radio or in a newspaper
- (Police or military) to protect from attack
- To travel a certain distance in a given time
- To wrap something with something, such as a cloth
before
US / bɪˈfɔ:(r) /
•UK / bɪˈfɔr,-ˈfor /
- adverb
- At a time earlier than the present; previously
- conjunction
- In advance of something happening
- preposition
- In front of someone or something
slightly
US / ˈslaɪtli /
•UK / ˈslaɪtli /
- adverb
- Only a little
delete
US / dɪ'li:t /
•UK / diˈlit /
- verb
- To remove or erase something
use
US / ju:s /
•UK / ju:s /
- 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
realize
US / 'ri:əlaɪz /
•UK / ˈriəˌlaɪz /
- verb
- To become aware of or understand mentally
series
US / ˈsɪəri:z /
•UK / ˈsɪriz /
- noun
- Set of stories or articles on a particular subject
- other
- Number of things that happen one after another
continue
US / kən'tɪnju: /
•UK / kənˈtɪnju /
- verb
- To do something without stopping, or after pausing
- To start doing again after a break, pause, or stop
past
US / pɑ:st /
•UK / pæst /
- adjecitve
- No longer current or new
- adverb
- So as to go beyond, or further than something
- noun
- Time that existed before now, e.g. long ago
- preposition
- After a particular time
- At a later point in distance; beyond
normal
US / 'nɔ:ml /
•UK / ˈnɔrməl /
- adjecitve
- Standard or regular way of doing something
- Having standard mental or physical ability, health
feel
US / fi:l /
•UK / fil /
- verb
- To be aware of or experience an emotion, sensation
- To sense through direct contact; touch
code
US / kəʊd /
•UK / kod /
- noun
- A password made of a set of letters or numbers
- Set of rules for behavior
- A secret language using secret symbols
- Written part of a computer program
- verb
- To express information in a series of numbers
- To write a secret message using secret symbols
- To write programs using computer languages
concern
US / kənˈsɜ:n /
•UK / kənˈsɚn /
- noun
- Company, firm or business
- Feeling of worry or anxiety
- verb
- To be about a particular topic
- To have a direct impact on someone
- To be responsible or mixed up in; to be involved
- To feel worry or anxiety
area
US / 'eərɪə /
•UK / ˈɛriə /
- noun
- Amount of measured space
- A specific section or space; part of a region
- A subject or field of study
will
US / wɪl /
•UK / wɪl /
- noun
- Desire or choice of someone
- Document saying who gets your money when you die
- Strong desire to do something; determination
- Desire to do something; strong wish to do
- other
- Used with verbs to express the future
- verb
- To leave property to someone after your death
- To use mental effort to make something happen
- Am (is, are) likely to do
- To influence someone to do something
- To make something happen by strongly wanting it
many
US / 'menɪ /
•UK / ˈmɛni /
- determiner
- Used to refer a large number of things
itself
US / ɪtˈself /
•UK / ɪtˈsɛlf /
- pronoun
- Referring to it
always
US / 'ɔ:lweɪz /
•UK / ˈɔlwez,-wɪz,-wiz /
- adverb
- For a very long time
- At all times; in every situation
- For ever
already
US / ɔ:lˈredi /
•UK / ɔlˈrɛdi /
- adverb
- Having happened or been done before this time
point
US / pɔɪnt /
•UK / pɔɪnt /
- noun
- An item to be discussed
- Small spot or dot
- Fact or detail
- Feature of something
- The size of the text on a page or screen
- A certain time or stage in a process
- Certain position in time or space
- Idea or fact you try to convince people about
- Measurement of scores in a game, sport
- Sharp end of something, e.g. a pen or pin
- verb
- To face a certain direction, e.g. north
- To indicate something with your finger to others
while
US / waɪl /
•UK / hwaɪl, waɪl /
- conjunction
- In spite of the fact that; although
- During the time that; at the same time
- noun
- Short amount of time
wait
US / weɪt /
•UK / wet /
- verb
- To delay or not do something until later
- To spend time until an expected thing happens
- To remain in a place until a thing happens
restriction
US / rɪˈstrɪkʃn /
•UK / rɪˈstrɪkʃən /
- noun
- Law or rule that controls or limits something
four
US / fɔ:(r) /
•UK / fɔr, for /
- number
- 4
contain
US / kənˈteɪn /
•UK / kənˈten /
- verb
- To keep something from spreading
- To hold something inside something else
try
US / traɪ /
•UK / traɪ /
- noun
- Act of putting the ball over the rugby goal line
- verb
- To make an effort, to attempt to do something
- To examine someone or something in a court of law
- To test to see if it is good or you like it
- To make a person go through hardship; test
- To examine something to see if it works
surround
US / səˈraʊnd /
•UK / səˈraʊnd /
- other
- To be closely connected to and have an effect on
- verb
- To be all the way around something
- To be closely connected to and have an effect on
- To move closer on all sides of something
strategy
US / 'strætədʒɪ /
•UK / ˈstrætədʒi /
- noun
- Careful plan or method for achieving a goal
- other
- Branch of military dealing with command
new
US / nju: /
•UK / nu, nju /
- adjecitve
- Not old, recently born, built or made
- Being or doing something for the first time
- Not felt, seen or known previously
- Having been recently bought or obtained
either
US / ˈaɪðə(r) /
•UK / ˈiðɚ, ˈaɪðɚ /
- adjecitve
- One of two (used when there is a choice of two)
- adverb
- (After negative statements) likewise, in addition
- conjunction
- Used as the first of two connected things
- determiner
- Used as the first of two connected things
- pronoun
- The one or the other
reinfect
US / riːɪnˈfekt /
•UK / ˌriɪnˈfekt /
- verb
- To become infected again
fortunately
US / ˈfɔ:tʃənətli /
•UK / ˈfɔ:rtʃənətli /
- adverb
- Through good luck; luckily
consider
US / kən'sɪdə(r) /
•UK / kənˈsɪdər /
- verb
- To think carefully about something
suddenly
US / ˈsʌdənli /
•UK / ˈsʌdn:lɪ /
- adverb
- In an unexpected or very quick manner
ravage
US / ˈrævɪdʒ /
•UK / ˈrævɪdʒ /
- noun
- The severely damaging or destructive effects of something.
- transitive verb
- Cause severe and extensive damage to.
mean
US / mi:n /
•UK / min /
- adjecitve
- Being good at
- Nasty; unkind
- Not liking to spend money; cheap; stingy
- noun
- Average of a set of numbers
- verb
- To express a particular idea or thought
- To intend to do something in particular
- To have a particular meaning or value
enough
US / ɪˈnʌf /
•UK / ɪˈnʌf /
- adjecitve
- Sufficient to answer the need
- adverb
- To a satisfactory degree
- pronoun
- Equal to what is needed; as much as required
- Adequate number or amount
find
US / faɪnd /
•UK / faɪnd /
- 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
case
US / keɪs /
•UK / kes /
- noun
- Container used to carry things, e.g. clothes
- Set of facts about a crime
- Set of facts about an event
- Example or instance of something
- verb
- To find out about a place, as in planning to steal
what
US / wɒt /
•UK / hwɑt, hwʌt, wɔt, wʌt,hwət, wət /
- pronoun
- Thing or things that; the same kind as
- Used to emphasize something you are about to say
- adjecitve
- Used to refer to a particular amount, or number
- Used to place emphasis on a particular quality
- adverb
- To a certain degree
- determiner
- Question words used for asking for information
- exclamation
- Used to express excitement, shock, or surprise
- Used to ask people to repeat something they said
that
US / ðæt /
•UK / ðæt, ðət /
- 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’
people
US / 'pi:pl /
•UK / ˈpipəl /
- noun
- Persons sharing culture, country, background, etc.
- Men, Women, Children
like
US / laɪk /
•UK / laɪk /
- 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
health
US / helθ /
•UK / hɛlθ /
- noun
- (Person, company) being in a good condition; well
different
US / ˈdɪfrənt /
•UK / ˈdɪfrənt /
- adjecitve
- Not of the same kind; unlike other things
eventually
US / ɪˈventʃuəli /
•UK / ɪˈvɛntʃuəli /
- adverb
- After a long time; after many attempts; in the end
even
US / 'i:vn /
•UK / ˈivən /
- adjecitve
- Being equal in influence, power, possibility etc.
- Being divided equally or fairly
- (Of teams/contest) with similar chances of success
- Smooth, level, or regular
- Can be divided by 2; ending in 2, 4, 6, 8, or 0
- At a regular, equally steady manner
- Remaining steady and unchanging
- adverb
- (When this is surprising) as well; too
- (Used to compare two things/stress the difference)
- verb
- To make something level; to flatten
- To make something equal
again
US / ə'ɡen /
•UK / əˈɡɛn /
- adverb
- One more time, once more
rename
US / ˌri:ˈneɪm /
•UK / ˌriːˈneɪm /
- verb
- To change the name of something or someone
present
US / 'preznt /
•UK / ˈprɛznt /
- adjecitve
- Being in attendance; being there; having turned up
- noun
- Gift
- Verb tense indicating an action is happening now
- Current time; now
- verb
- To introduce someone to others
- To host a program on television or radio
- To give a speech or presentation
- To show something to someone who will examine it
- To appear or happen
- To give an award or prize to someone
get
US / ɡet /
•UK / ɡɛt /
- verb
- To become affected by illness or disease
- To begin to feel or understand an emotion or idea
- To send or bring someone or something home, etc.
- To go somewhere to obtain something
- To (cause to) do a particular thing
- To obtain, receive or be given something
- To currently have
- To prepare for use
- To understand something being said or read
place
US / pleɪs /
•UK / ples /
- noun
- Particular location, area or region
- verb
- To put someone in a particular type of situation
- To put something in a certain location or position
own
US / əʊn /
•UK / on /
- adjecitve
- Belong to oneself
- determiner
- Yours, his, hers, etc.; not belonging to another
- pronoun
- (Something) belong to myself
- verb
- To have something as your property
infect
US / ɪn'fekt /
•UK / ɪnˈfɛkt /
- verb
- To introduce a computer virus to
- To give a disease, bacteria or virus to
- To make people feel the same emotion you are
happen
US / 'hæpən /
•UK / ˈhæpən /
- verb
- To take place or occur
each
US / i:tʃ /
•UK / itʃ /
- determiner
- Every one of two or more things
- pronoun
- Per one person or thing
example
US / ɪgˈzɑ:mpl /
•UK / ɪɡˈzæmpəl /
- noun
- Thing, person which represents a category
emerge
US / ɪ'mɜ:dʒ /
•UK / ɪˈmɚdʒ /
- verb
- To rise or appear out of some background
cell
US / sel /
•UK / sɛl /
- noun
- Smallest unit of living things in biology
- Group of people - often from a secret organization
- Prisoner's room in a jail
- Shortened form of 'cellphone'
alter
US / ˈɔ:ltə(r) /
•UK / ˈɔltɚ /
- verb
- To change so (clothing) fits better
alpha
US / ˈælfə /
•UK / 'ælfə /
- adjecitve
- Most powerful (animals of the same sex)
- noun
- First letter in the Greek alphabet
then
US / ðen /
•UK / ðɛn /
- 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
dna
US / ˌdiː en ˈeɪ /
•UK / ˌdiː en ˈeɪ /
- noun
- Chemical in living cells with genetic information
she
US / ʃɪ /
•UK / ʃi /
- pronoun
- Female person or animal mentioned before
- (Refers to female person mentioned before)
despite
US / dɪˈspaɪt /
•UK / dɪˈspaɪt /
- preposition
- Without being affected by something; in spite of
dodge
US / dɒdʒ /
•UK / dɑ:dʒ /
- noun
- An attempt to avoid something
- verb
- To attempt to avoid something
disappear
US / ˌdɪsəˈpɪə(r) /
•UK / ˌdɪsəˈpɪr /
- verb
- To no longer see because it's not there any more
everywhere
US / ˈevriweə(r) /
•UK / ˈevriwer /
- adverb
- Every place
unrecognizable
US / ˌʌnrekəɡˈnaɪzəbl /
•UK / ˌʌnrekəɡˈnaɪzəbl /
- adjecitve
- That cannot be identified due to damage/alteration
involve
US / ɪn'vɒlv /
•UK / ɪnˈvɑlv /
- verb
- To have or be included as a part of something
same
US / seɪm /
•UK / sem /
- adjecitve
- Being equal in quality and amount
- Identical; not different
- Not changing; constant
become
US / bɪ'kʌm /
•UK / bɪˈkʌm /
- verb
- To begin to be; grow to be; develop into
- To be suitable for a particular job or role
variant
US / ˈveəriənt /
•UK / ˈveriənt /
- noun
- Thing that differs from something of the same kind
represent
US / ˌreprɪ'zent /
•UK / ˌrɛprɪˈzɛnt /
- verb
- To depict art objects, figures, scenes; to portray
- To show or describe something in a particular way
- To act on behalf of others in government
- To act or speak for another person or other people
accumulate
US / əˈkju:mjəleɪt /
•UK / əˈkjumjəˌlet /
- verb
- To gather or acquire so that you have more of it
want
US / wɔnt /
•UK / wɑnt, wɔnt /
- noun
- Something you desire or wish for
- State or condition of poverty
- verb
- To desire or wish for something; hope for a thing
significant
US / sɪgˈnɪfɪkənt /
•UK / sɪɡˈnɪfɪkənt /
- adjecitve
- Large enough to be noticed or have an effect
- Having meaning; important; noticeable
- (Statistics) being clearly different
september
US / sepˈtembə(r) /
•UK / sɛpˈtɛmbɚ /
- noun
- 9th month of the year
protein
US / ˈprəʊti:n /
•UK / ˈprəʊˌtiːn /
- noun
- Group of molecules made from amino acids
november
US / nəʊˈvembə(r) /
•UK / noˈvɛmbɚ /
- noun
- 11th month of the year
now
US / naʊ /
•UK / naʊ /
- adverb
- At the present time or moment
- Right away or in the next possible moment
- Used to refer to something that just happened
- Time between the present and a moment in the past
- conjunction
- Resulting from or because of something
measure
US / ˈmeʒə(r) /
•UK / ˈmɛʒɚ /
- 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
against
US / əˈgenst /
•UK / əˈɡenst /
- preposition
- In physical contact with, as for support; next to
- In opposition to; disagreeing with
give
US / ɡɪv /
•UK / ɡɪv /
- 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
but
US / bət /
•UK / bʌt,bət /
- conjunction
- Used before you say something different, opposite
our
US / 'aʊə(r) /
•UK / aʊr /
- determiner
- Belonging to us
not
US / nɒt /
•UK / nɑt /
- adverb
- Word indicating the negative
- (Used to form the negative of verbs)
recent
US / 'ri:snt /
•UK / ˈrisənt /
- adjecitve
- Happening or beginning not long ago
pandemic
US / pæn'demɪk /
•UK / pænˈdɛmɪk /
- adjecitve
- (of a disease) existing in almost all of an area or in almost all of a group of people, animals, or
- noun
- a pandemic disease
decision
US / dɪ'sɪʒn /
•UK / dɪˈsɪʒən /
- noun
- Choice made after thinking; final judgment
- Ability to make quick and confident choices
copy
US / ˈkɒpi /
•UK / ˈkɑ:pi /
- noun
- A counter for items that are the same
- Fake product pretending to be an original
- An imitation of an original
- A duplicate of a paper printed in a photocopier
- Written text for printing, use in ads, etc.
- verb
- To make something look the same as the original
- To act in the exact same way as someone else
- To read and then write down what you read
can
US / kæn /
•UK / kən,kæn /
- 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
lately
US / ˈleɪtli /
•UK / ˈletli /
- adverb
- In the recent period of time; recently; just now
harmless
US / ˈhɑ:mləs /
•UK / ˈhɑ:rmləs /
- adjecitve
- Being unable to cause damage or injury; safe
- Not being intended/likely to upset or anger others
difference
US / 'dɪfrəns /
•UK / ˈdɪfərəns, ˈdɪfrəns /
- noun
- A thing or issue that people do not agree about
- Not of the same kind; unlike other things
anyway
US / ˈeniweɪ /
•UK / ˈɛniˌwe /
- adverb
- A word used to change the topic of a conversation
why
US / waɪ /
•UK / hwaɪ, waɪ /
- adverb
- Question word to ask for a reason
- exclamation
- (Used to express surprise or approval)
time
US / taɪm /
•UK / taɪm /
- noun
- Speed at which music is played; tempo
- Point as shown on a clock, e.g. 3 p.m
- Number of hours, minutes needed to do something
- Occasion when something happens
- Period or occasion that something occurred
- Period in history or the past
- Something measured in minutes, hours, days, etc.
- How long an event takes; duration
- verb
- To check speed at which music is performed
- To choose a specific moment to do something
- To measure how long an event takes, e.g. a race
- To schedule something to occur at a specific moment
through
US / θru: /
•UK / θru /
- adjecitve
- having finished using or doing something
- adverb
- From the beginning of something until the end
- preposition
- Over, in, across an entire thing or place
- Allowing you to pass between, or to
- By a particular way or process; by the use of
reminder
US / rɪˈmaɪndə(r) /
•UK / rɪˈmaɪndər /
- noun
- Something that causes one to remember something
for
US / fə(r) /
•UK / fɔr,fə /
- preposition
- Used to show the purpose, or need of something
vaccine
US / 'væksi:n /
•UK / vækˈsin,ˈvækˌsin /
- noun
- Shot using weak disease cells to stop same disease
transmissible
US / træns'mɪsəbl /
•UK / træns'mɪsəbəl /
- adjecitve
- (Of a disease) able to be transmitted or inherited
relax
US / rɪˈlæks /
•UK / rɪˈlæks /
- verb
- To calm or quiet yourself, or stop worrying
- To release the tightness in muscles
- To make a rule or law less strict
replicate
US / 'replɪkeɪt /
•UK / ˈrɛplɪˌket /
- verb
- To make one or more exact copies of itself
- To repeat something (e.g. experiment, process)
overall
US / ˌəʊvər'ɔ:l /
•UK / ˈovɚˌrɔl /
- adjecitve
- Viewed as a whole; in general, not as details
rna
US / ˌɑːr en ˈeɪ /
•UK / ˌɑːr en ˈeɪ /
- noun
- Long linear polymer of nucleotides that transmit genetic information from DNto cytoplasm
strong
US / strɒŋ /
•UK / strɔŋ /
- adjecitve
- (Of tea or beer) dark or thick
- Having big muscles; physically powerful
much
US / mʌtʃ /
•UK / mʌtʃ /
- 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
evolve
US / ɪ'vɒlv /
•UK / ɪˈvɑlv /
- verb
- To develop certain features
- To develop or change slowly over time
- To slowly change or develop into something better
those
US / ðəʊz /
•UK / ðoz /
- determiner
- The people or things we are talking about
- pronoun
- The objects far from the speaker
occur
US / əˈkɜ:(r) /
•UK / əˈkɚ /
- verb
- To come to pass or to happen
molecule
US / ˈmɒlɪkju:l /
•UK / ˈmɑlɪˌkjul /
- noun
- Two or more atoms chemically combined
control
US / kən'trəʊl /
•UK / kənˈtrol /
- noun
- A device designed to operate a machine
- Participant in experiment that is left untouched
- Act to dominate or command; make manageable
- A law limiting the growth or spread of something
- A place which overseas or manages e.g. a factory
- verb
- To direct or influence the behavior of something
well
US / wel /
•UK / wɛl /
- adjecitve
- Being in a fortunate, good condition or state
- Healthy and in good condition
- adverb
- In an acceptable, proper, or successful manner
- In a complete, total, or full manner
- A great and considerable degree
- In a successful way, in a good or satisfactory way
- exclamation
- Used to begin or continue a particular statement
- Used to show you want to start saying something
- Used to express that you are waiting for a reply
- You say this to change the topic of a conversation
- Used to indicate you are making a final remark
- noun
- Long deep hole in the ground to get water
- verb
- To cause your eyes to fill with tears
within
US / wɪˈðɪn /
•UK / wɪðˈɪn, wɪθ- /
- adverb
- Inside the limits of an area, time or range
- preposition
- From the inside of something
start
US / stɑ:t /
•UK / stɑrt /
- noun
- First time or place that a thing exists; beginning
- First opportunity to achieve something, e.g. a job
- Sudden action or movement because you are scared
- other
- Beginning of something in place or time
- verb
- To do, be or happen for the first time; begin
- To turn something on
since
US / sɪns /
•UK / sɪns /
- adverb
- At a point before the present time
- conjunction
- For this reason; because
- preposition
- From the time in the past that
mutate
US / mju:'teɪt /
•UK / ˈmjutet,mjuˈtet /
- verb
- To develop into another thing; change
notable
US / ˈnəʊtəbl /
•UK / ˈnoʊtəbl /
- adjecitve
- Being famous or well-known
- Deserving notice or mention; important
lockdown
US / ˈlɒkdaʊn /
•UK / ˈlɑ:kdaʊn /
- noun
- Confining prisoners to their cells after a riot
somewhere
US / 'sʌmweə(r) /
•UK / ˈsʌmˌhwɛr, -ˌwɛr /
- adverb
- At or to an unknown or unnamed place
letter
US / 'letə(r) /
•UK / ˈlɛtɚ /
- noun
- One of the 26 parts of the English alphabet
- Message you put in an envelope and send by post
just
US / dʒʌst /
•UK / dʒʌst /
- adjecitve
- Proper or appropriate; as is deserved
- Doing or being what is right or fair
- Legally correct; having enough evidence
- adverb
- Almost; nearly
- Exactly at the time of
- Exactly (the same as, like)
cycle
US / ˈsaɪkl /
•UK / ˈsaɪkəl /
- noun
- Series of regular and repeated actions
- Bicycle, bike
- verb
- To go through a series of events repeatedly
- To ride on a bicycle
version
US / ˈvə:ʃən /
•UK / ˈvɚʒən, -ʃən /
- noun
- Different way that someone interprets something
- New or different form of something
- An updated form of some software
something
US / ˈsʌmθɪŋ /
•UK / ˈsʌmθɪŋ /
- adverb
- In some degree or measure
- noun
- a person or thing of some value or consequence
- pronoun
- Thing that is not yet known or named
- Approximately
name
US / neɪm /
•UK / nem /
- noun
- What something or someone is called
- verb
- To state what someone is called, e.g. John
quietly
US / 'kwaɪətlɪ /
•UK / ˈkwaɪətlɪ /
- adverb
- In a quiet manner; making little sound or fuss
form
US / fɔ:m /
•UK / fɔrm /
- 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
over
US / 'əʊvə(r) /
•UK / ˈovɚ /
- adverb
- Finished; no longer happening
- Towards the ground/away from a standing position
- noun
- A set of six consecutive balls bowled in cricket
- other
- Finished
- preposition
- Showing the relation when a thing is above another
- On or covering something
- Above or across something
- More than you need
- From one side to the other
- In the direction of; toward
from
US / frəm /
•UK / frʌm, frɑm,frəm /
- preposition
- Starting at a particular place, time or level
along
US / əˈlɒŋ /
•UK / əˈlɔ:ŋ /
- adverb
- As a companion; taken with someone
- preposition
- At a point on a line
think
US / θɪŋk /
•UK / θɪŋk /
- verb
- To have an idea about something without certainty
- To have an idea, opinion or belief about something
help
US / help /
•UK / hɛlp /
- 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
any
US / 'enɪ /
•UK / ˈɛni /
- adjecitve
- One, or some, no matter which
- pronoun
- One (thing) of many; some
replication
US / ˌreplɪ'keɪʃn /
•UK / ˌrɛplɪˈkeʃən /
- noun
- Act of making more exact copies of itself
- Act of repeating a previous action
kent
US / kɛnt /
•UK / kɛnt /
- other
- A county in southeastern England on the English Channel; formerly an Anglo-Saxon kingdom, it was the
double
US / 'dʌbl /
•UK / ˈdʌbəl /
- adjecitve
- Concerning or intended for use by two people
- Two times the amount or degree; twice
- Made of two parts that are the same, similar
- noun
- Person that is exactly like someone else
- verb
- To be used for two functions at the same time
- To make or become twice as much
call
US / kɔ:l /
•UK / kɔl /
- noun
- A order or request for action
- The sound an animal makes, often when in danger
- A correct prediction, e.g. a decision in a game
- A short visit to a place or person
- A decision by a referee or umpire in a game
- verb
- To make a request or order for action
- (Animal) to make sounds to warn of danger
- To announce the date of an election
- To make a judgment about something
- To give someone or something a name
- To guess in advance the result or outcome
- To visit a place or person for a short time
- To phone someone
- To speak, announce or shout in a loud voice
until
US / ənˈtɪl /
•UK / ʌnˈtɪl /
- conjunction
- Up to; to a time when something happens
- preposition
- Before (a specific time)
strain
US / streɪn /
•UK / stren /
- noun
- Injury to a muscle, leg etc. through overuse
- Type or variation of a disease or bacillus
- verb
- To remove the water from (food) using a colander
- To injure a muscle, leg etc. by using it too much
and
US / ənd /
•UK / ənd, ən,ænd /
- conjunction
- Used to refer to two or more things
- Plus; in addition; on top of that
- Used to introduce an action that follows another
back
US / bæk /
•UK / bæk /
- 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
two
US / tu: /
•UK / tu /
- number
- 2
mutant
US / ˈmju:tənt /
•UK / ˈmjutn:t /
- noun
- Organism derived from a change in genes
only
US / ˈəunli /
•UK / ˈonli /
- adverb
- Just one; just that amount or thing; not more than
- Not very important or serious
- Just that type of thing, person
- Short time ago; not before a certain time
- conjunction
- Except; but
morph
US / mɔ:f /
•UK / mɔ:rf /
- verb
- (Of computer animation) to gradually change shape
completely
US / kəmˈpli:tli /
•UK / kəmˈpliːtli /
- adverb
- In every way or as much as possible
affect
US / ə'fekt /
•UK / əˈfɛkt /
- verb
- To cause a change in something else
sometimes
US / ˈsʌmtaɪmz /
•UK / ˈsʌmˌtaɪmz /
- adverb
- Only at certain times; occasionally
complex
US / 'kɒmpleks /
•UK / kəmˈplɛks, ˈkɑmˌplɛks /
- adjecitve
- Not being simple; having many parts or aspects
- noun
- Group of buildings all used for the same purpose
- Psychological issue regarding self-image
vaccination
US / ˌvæksɪ'neɪʃn /
•UK / ˌvæksəˈneʃən /
- noun
- Type of injection to prevent getting a disease
most
US / məʊst /
•UK / most /
- adverb
- Very; extremely
- Greatest possible degree
- pronoun
- Nearly all of something
large
US / lɑ:dʒ /
•UK / lɑ:rdʒ /
- adjecitve
- Big; of great size; broad, tall, wide, or fat
early
US / ˈɜ:li /
•UK / ˈɜ:rli /
- adjecitve
- Happening or appearing before
- adverb
- Coming/happening before others in a time sequence
- Happening sooner than expected
look
US / lʊk /
•UK / lʊk /
- 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
human
US / 'hju:mən /
•UK / ˈhjumən /
- adjecitve
- Concerning or characteristic of people
- noun
- A person; a man, woman or child
country
US / ˈkʌntri /
•UK / ˈkʌntri /
- noun
- An area of land that is controlled by a government
- Open land that is away from towns and cities
very
US / 'verɪ /
•UK / ˈvɛri /
- adjecitve
- Concerning a large degree or amount
- adverb
- A lot; much; many
- Used to stress or emphasize a noun
they
US / ðeɪ /
•UK / ðe /
- pronoun
- Two or more people, animals, or things
error
US / ˈerə(r) /
•UK / ˈɛrɚ /
- noun
- Something that is not correct; a mistake
chart
US / tʃɑ:t /
•UK / tʃɑ:rt /
- noun
- Drawing showing information in a clear way
- Map of the sea or stars
- verb
- To make a plan for future action
- To make a map of
- To keep a record of developments over time
who
US / hu: /
•UK / hu /
- pronoun
- Which person
- Used to introduce information about people
receptor
US / rɪˈseptə(r) /
•UK / rɪˈseptər /
- noun
- A nerve ending that changes stimuli into impulses
its
US / ɪts /
•UK / ɪts /
- adjecitve
- Referring to or belonging to ‘it’
- determiner
- Of something; belonging or related to something
- other
- Possessive form of “it”
fast
US / fɑ:st /
•UK / fæst /
- 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
drop
US / drɒp /
•UK / drɑp /
- noun
- Distance between a higher and a lower level
- Act of letting something fall (from your hand)
- A decrease in quantity or quality; reduction
- Tiny amount of liquid, with rounded bottom
- verb
- To drive someone to a place and then drive away
- To let something fall from your hand
- To fall or lie down quickly, as when shot
- To decide to stop something e.g. a course)
- To (cause to) reduce in quantity or quality
chance
US / tʃɑ:ns /
•UK / tʃæns /
- adjecitve
- Happening by luck; not planned
- Taking a risk to try something
- noun
- The way something happens without planning
- An opportunity; favorable circumstances, situation
- The possibility that something will happen
- verb
- To occur just through luck; happen
- To take a risk to try something
common
US / 'kɒmən /
•UK / ˈkɑmən /
- adjecitve
- Shared; Belonging to or used by everyone
- Typical, normal; not unusual
- noun
- Area in a city or town that is open to everyone
- Field near a village owned by the local community
all
US / ɔ:l /
•UK / ɔl /
- adverb
- Completely; totally
- determiner
- Being every one of something
- pronoun
- 100% of something; the complete amount
list
US / lɪst /
•UK / lɪst /
- noun
- Lean of a boat to one side
- Series of written names, words or numbers
- verb
- To lean to one side, like a boat or ship
- To present for sale for a specific price
- To write a series of names, words, or numbers
constantly
US / ˈkɒnstəntli /
•UK / ˈkɑnstəntlɪ /
- adverb
- Frequently, or without pause
their
US / ðɛː /
•UK / ðer /
- determiner
- Belonging to them
organization
US / ˌɔ:gənaɪˈzeɪʃn /
•UK / ˌɔrɡənɪˈzeʃən /
- noun
- Group of people with a particular purpose
evade
US / ɪˈveɪd /
•UK / ɪˈved /
- verb
- To avoid being captured; avoid answering
slight
US / slaɪt /
•UK / slaɪt /
- adjecitve
- Small (amount, quality)
- Appearing thin, delicate and physically weak
- noun
- Rude and disrepectful treatment
- verb
- To ignore or treat rudely and with no respect
add
US / æd /
•UK / æd /
- verb
- To include as well
- To put two things or numbers together, e.g. 2+2
work
US / wɜ:k /
•UK / wɚk /
- 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
virus
US / 'vaɪrəs /
•UK / ˈvaɪrəs /
- noun
- File secretly put on computers to cause harm
- Living organism that causes disease or sickness
space
US / speɪs /
•UK / spes /
- 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
show
US / ʃəʊ /
•UK / ʃo /
- 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
simple
US / 'sɪmpl /
•UK / ˈsɪmpəl /
- adjecitve
- Not hard to understand or do; not complex
- Having only a few parts; not complex
- Being ordinary or normal
- Being plain; without a lot added for style
change
US / tʃeɪndʒ /
•UK / tʃendʒ /
- noun
- Exchange of one set of clothes for another
- Money in the form of coins instead of paper
- Money returned after giving too much
- Act of making or becoming something else
- verb
- To exchange one set of clothes for another
- To exchange one kind of money for another
- To replace something with another thing
- To make or become something else
- To go from one train, bus, etc. and go to another
multiple
US / ˈmʌltɪpl /
•UK / ˈmʌltəpəl /
- adjecitve
- Having or involving more than one of something
- noun
- Number produced by multiplying a smaller number
- Shop with many branches
immune
US / ɪˈmju:n /
•UK / ɪˈmjoon /
- adjecitve
- Having a special protection from, e.g. the law
december
US / dɪˈsembə(r) /
•UK / dɪˈsɛmbɚ /
- noun
- The 12th month of the year
bad
US / bæd /
•UK / bæd /
- adjecitve
- Not good; wrong
- Lacking in good morals; evil
- No longer fresh; spoiled
solution
US / səˈlu:ʃn /
•UK / səˈluʃən /
- noun
- Mix of a liquid and a solid or a gas
- Way to solve or deal with a problem
specific
US / spəˈsɪfɪk /
•UK / spɪˈsɪfɪk /
- adjecitve
- Precise; particular; just about that thing
- Concerning one particular thing or kind of thing
less
US / les /
•UK / lɛs /
- adjecitve
- Smaller in amount or degree
- adverb
- To a smaller degree
- noun
- A smaller amount
- preposition
- With the subtraction of
goal
US / ɡəʊl /
•UK / ɡol /
- noun
- Something you try to do or achieve; an aim
- (Sports) net into which you put a ball to score
- (Sports) act of scoring by putting a ball in a net
the
US / ðə /
•UK / ðə /
- 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
researcher
US / rɪ'sɜ:tʃə(r) /
•UK / rɪˈsətʃɚ /
- noun
- Someone who works to find new facts and ideas
person
US / 'pɜ:sn /
•UK / 'pɜ:rsn /
- noun
- Man, woman or child
natural
US / ˈnætʃərəl /
•UK / ˈnætʃərəl, ˈnætʃrəl /
- adjecitve
- Being as one would expect; being usual or normal
- Not made by humans; without human intervention
material
US / məˈtɪəriəl /
•UK / məˈtɪriəl /
- 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
lead
US / li:d /
•UK / lid /
- 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
fit
US / fɪt /
•UK / fɪt /
- adjecitve
- Good looking; physically attractive
- Proper or acceptable; morally or socially correct
- noun
- Sudden loss of body control; attack (of crying)
- verb
- To install a machine, equipment etc.
- To adjust or change to the right size or shape
- To be the right size and shape that you want
state
US / steɪt /
•UK / stet /
- adjecitve
- Concerning region within a country
- noun
- Region within a country, with its own government
- Situation or condition something is in
- verb
- To say; declare as fact
instruction
US / ɪn'strʌkʃn /
•UK / ɪnˈstrʌkʃən /
- noun
- A command for someone formally to do something
- Act of teaching or explaining to others
- Information about how to do or use something
genetic
US / dʒəˈnetɪk /
•UK / dʒəˈnɛtɪk /
- adjecitve
- Of, relating to, or controlled by genes
defence
US / dɪˈfens /
•UK / dɪˈfɛns /
- noun
- The process of protecting something from attack
effective
US / ɪˈfektɪv /
•UK / ɪˈfɛktɪv /
- adjecitve
- Working efficiently to produce a desired result
you
US / jʊ /
•UK / ju /
- pronoun
- Person someone is speaking or writing to
- Person or people in general
mutation
US / mju:'teɪʃn /
•UK / mjuˈteʃən /
- noun
- Change that changes genetic structure
how
US / haʊ /
•UK / haʊ /
- adjecitve
- To what degree? in what amount?
- adverb
- (Used to explain the way to do something)
- exclamation
- For what purpose or reason?
- (Used to ask someone or something's condition)
five
US / faɪv /
•UK / faɪv /
- number
- 5
southeast
US / ˌsaʊθ'i:st /
•UK / saʊθˈist, saʊˈist /
- noun
- Location in the southeastern part of an area
ones
US / wʌnz /
•UK / wʌnz /
- number
- Number 1, a single person or thing
make
US / meɪk /
•UK / mek /
- 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
outside
US / ˌaʊtˈsaɪd /
•UK / aʊtˈsaɪd, ˈaʊtˌsaɪd /
- adverb
- Beyond the limits or edges of some place, thing
- noun
- Area around or near something, such as a building
- preposition
- Beyond the limits or edges of some place, thing
this
US / ðɪs /
•UK / ðɪs /
- 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
may
US / meɪ /
•UK / me /
- noun
- 5th month of the year
- other
- Used to express a desire
- Expresses permission, possibility or probability
- Used to show that a thing could be true
flip
US / flɪp /
•UK / flɪp /
- noun
- Act of turning your body in the air; somersault
- Movement of something from one position to another
- verb
- To turn your body in the air, as in gymnastics
- To move into a different position quickly
- To move a button or switch to turn on or off
than
US / ðən /
•UK / ðən /
- conjunction
- Used to compare two things that are not equal
other
US / 'ʌðə(r) /
•UK / ˈʌðər /
- adjecitve
- A thing different from that mentioned
- determiner
- (Something) else; not the first (one)
- pronoun
- Being the one and only thing of that category
into
US / 'ɪntə /
•UK / ˈɪntu /
- preposition
- Moving or going inside something
- In the same direction as; in the direction of
- So as to become; taking the state of
perfect
US / 'pɜ:fɪkt /
•UK / ˈpɚfɪkt /
- adjecitve
- So good it cannot be improved
- verb
- To do something so well, it cannot be done better
one
US / wʌn /
•UK / wʌn /
- 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