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derivative

英 [d?'r?v?t?v] 美[d?'r?v?t?v]
  • n. [化學(xué)] 衍生物,派生物;導(dǎo)數(shù)
  • adj. 派生的;引出的

英英釋意


1. the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx
2. a financial instrument whose value is based on another security
3. (linguistics) a word that is derived from another word;
"`electricity' is a derivative of `electric'"