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English definition of “concentration”


noun     /ˌkɒnsənˈtreɪʃən/
THINKING CAREFULLY [U] B2 the ability to think carefully about something you are doing and nothing else Paying attention and being carefulCautious and vigilant
LARGE AMOUNT [C, U] a large number or amount of something in the same place : high concentrations of minerals Large in number or quantity
(Definition of concentration noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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