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词汇 concentrate
词源

concentrate v.

1630s, "to bring or come to a common center," from concenter (1590s), from Italian concentrare, from assimilated form of Latin com "with, together" (see con-) + centrum "center" (see center (n.)).

Meaning "condense" is from 1680s; that of "intensify the action of" is from 1758. Sense of "mentally focus" is from 1860s, on the notion of "concentrate the mind or mental powers." Related: Concentrated; concentrating.

concentrate n.

"that which has been reduced to a state of purity," 1883, from concentrate(adj.) "reduced to a pure or intense state" (1640s), from concentrate (v.).

updated on October 13, 2021

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更新时间:2025/5/1 10:06:01