Meaning of DERIVATIVE in English

DERIVATIVE

( n. )

A substance so related to another substance by modification or partial substitution as to be regarded as derived from it; thus, the amido compounds are derivatives of ammonia, and the hydrocarbons are derivatives of methane, benzene, etc.

Webster's Revised Unabridged English Dictionary.      Пересмотренный полный словарь английского языка Webster.