say it: dur-IV-uh-tiv
derivative is a noun and adjective meaning "the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx". It carries 5 recorded senses.
the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx
a compound obtained from, or regarded as derived from, another compound
a financial instrument whose value is based on another security
law
(linguistics) a word that is derived from another word
“`electricity' is a derivative of `electric'”
linguistics
resulting from or employing derivation
“a derivative process”
“a highly derivative prose style”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for derivative come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.