concentrate - definition in the American English Dictionary - Cambridge Dictionaries Online

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concentrate

verb [I/T]  us   /ˈkɑn·sənˌtreɪt/

concentrate verb [I/T] (GIVE ATTENTION)

to direct a lot of attention and thought to an activity or subject, or to direct effort toward achieving a result: [I always + adv/prep] In her later years, she concentrated on her writing and teaching. [T] The police are concentrating their search in the area where the child was last seen.

concentrate verb [I/T] (COME TOGETHER)

[I/T] to bring or come together in a large number or amount in one particular area: [T] Most of the country’s population is concentrated in the cities.

concentrate verb [I/T] (CHANGE SUBSTANCE)

chemistry [T] to make a substance stronger or purer by removing water or other substances

concentrate

noun [C/U]  us   /ˈkɑn·sənˌtreɪt/

concentrate noun [C/U] (SUBSTANCE)

a substance from which water or other substances have been removed
(Definition of concentrate from the Cambridge Academic Content Dictionary © Cambridge University Press)
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