concentration

noun (AMOUNT)

/ˌkɒn.sənˈtreɪ.ʃən/

/ˌkɑːn-/

Definition

C2 [C or U] a large number or amount of something in the same place: There is a heavy concentration of troops in the area.Collecting and amassing › [C or U] specialized the exact amount of one particular substance that is found in another substance: a concentration of one part per million High concentrations of toxic elements were found in the polluted areas.The state of matter

(Definition of concentration noun (AMOUNT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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