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con • cen • trate Ф AWL / ' kansntreit / verb ( con cen trates , con cen • trat ing , con • cen • trat ed )

to give all your attention to something

Stop looking out of the window and concentrate on your work!

com . put . er Ф / kom'pyutor / noun

computer

Be quiet and let him concentrate.

con • cen • tra • tion |awL / |kansn' treijn /

noun [ noncount ]

the ability to give all your attention to something You need total concentration for this type of work.

con • ceptAWL / ' kansept / noun [ count ]

an idea, or a basic truth about something

This course teaches the basic concepts of mathematics.

It's hard to understand the concept of infinity.

con • cern 1 / kan' sarn / verb (con • cerns,con cern • ing ,con • cerned )

to be important or interesting to someone

Please pay attention because this information concerns all ofyou.

—SYNONYM affect

to be about something

The story concerns a young boy and his parents.

to worry someone

It concerns me that she is always late.

con • cern2 / kan' sarn / noun

[ noncount ] a feeling of being worried There is a lot of concern about this problem.

[ count ] something that is important or interesting to someone

Her problems are not my concern.

con • cerned / kan sarnd / adjective

worried about something

They are very concerned about their son's health. as far as I am concerned

in my personal opinion

As far as I'm concerned, he can stay here as long as he wants.

con • cern • ing / kan ' sarniq / preposition

( formal ) about something

He asked several questions concerning the future of the company.

соп . cert Ф / 'kanssrt / noun [ count ]

( music ) a public performance of music a rock concert

con • cise / kan ' sais / adjective

( english language arts ) giving a lot of information in a few words

His summary was clear and concise.

con • cludeaw / kan ' klud /

( con • cludes , con • clud • ing , con • clud • ed )

to decide something, after you have studied or thought about it

The report concluded that the working conditions were unsafe.

( formal ) to end or make something end

The ambassador concluded his tour with a visit to a local hospital.

I would like to conclude by thanking our guest speaker.

con • clu • sion Ф AWL / kan' klu₃n / noun [count]

what you believe or decide after thinking carefully about something

We came to the conclusion that you were right all along.

the end of something, for example a movie or a piece of writing

Your essay should include a clear conclusion.

con • crete / ' kagkrit / noun [ noncount ]

a hard gray material used for building things a concrete floor

con • cus • sion / 1эп' kAjn / noun [ count ]

( health ) an injury to the brain, caused by hitting your head

She was taken to the hospital with a concussion.

con • demn / 1эп ' dem /

( con demns , con . demn . ing , con . demned )

to say strongly that someone or something is very bad or wrong

Many people condemned the government's decision.

to say that someone must be punished in a certain way The murderer was condemned to death.

—SYNONYM sentence

con • den • sa • tion / ^о^эп ' seifn /

[noncount]

( general science ) small drops of liquid that form when warm air touches a cold surface condensation on the windows