concentrate Definition in British English Dictionary
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Definition of "concentrate" - British English Dictionary

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concentrateverb

uk   /ˈkɒn.sən.treɪt/  us   /ˈkɑːn-/

concentrate verb (GIVE ATTENTION)

B1 [I or T] to direct your attention or your efforts towards a particular activity, subject, or problem: Come on, concentrate! We don't have all day to do this. I can't concentrate on my work with all that noise. I find running concentrates the mind (= helps me to think). I'm going to concentrate on my writing for a while. The company is concentrating (its resources) on developing new products.
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concentrate verb (COME TOGETHER)

C1 [T usually passive or I, usually + adv/prep] to bring or come together in a large number or amount in one particular area: Most of the country's population is concentrated in the north. In the dry season, the animals tend to concentrate in the areas where there is water.

concentrate verb (REMOVE WATER)

[T] to make a liquid or substance stronger and reduce its size by removing water from it

concentratenoun [C or U]

uk   /ˈkɒn.sən.treɪt/  us   /ˈkɑːn-/
a liquid from which some of the water has been removed: fruit-juice concentrate specialized geology an ore from which rock has been removed: a mineral concentrate
(Definition of concentrate from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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