·noun That which is derived; anything obtained or deduced from another.
II. Derivative ·noun An agent which is adapted to produce a derivation (in the medical sense).
III. Derivative ·noun A derived function; a function obtained from a given function by a certain algebraic process.
IV. Derivative ·noun A word formed from another word, by a prefix or suffix, an internal modification, or some other change; a word which takes its origin from a root.
V. Derivative ·noun A chord, not fundamental, but obtained from another by inversion; or, vice versa, a ground tone or root implied in its harmonics in an actual chord.
VI. Derivative ·adj Obtained by derivation; derived; not radical, original, or fundamental; originating, deduced, or formed from something else; secondary; as, a derivative conveyance; a derivative word.
VII. Derivative ·noun 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.