Derivative

1. noun

   the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx

   Similar: derived function, differential coefficient, differential, first derivative

2. noun

   a compound obtained from, or regarded as derived from, another compound

3. noun

   a financial instrument whose value is based on another security

   Similar: derivative instrument

4. noun

   (linguistics) a word that is derived from another word

   “`electricity' is a derivative of `electric'”