10 letters · 17 points in Scrabble
noun the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx
noun a compound obtained from, or regarded as derived from, another compound
noun a financial instrument whose value is based on another security
originFrom Middle French dérivatif, from Latin dērīvātus, perfect passive participle of dērīvō (“to derive”). Related to derive; by surface analysis, derive + -ative.
Etymology from Wiktionary, CC BY-SA 3.0