Definition of 'derivative'

Noun

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

Adjective

1. resulting from or employing derivation; "a derivative process"; "a highly derivative prose style"

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