Derivative — Defs

01 a. Obtained by derivation; derived; not radical, original, or fundamental; originating, deduced, or formed from something else; secondary; as,…

1.
Obtained by derivation; derived; not radical, original, or fundamental; originating, deduced, or formed from something else; secondary; as, a derivative conveyance; a derivative word.
2.
Hence, unoriginal (said of art or other intellectual products).

Phrases & compounds

Derivative circulation — a modification of the circulation found in some parts of the body, in which the arteries empty directly into the veins without the interposition of capillaries.

02 n. That which is derived; anything obtained or deduced from another.

1.
That which is derived; anything obtained or deduced from another.
2.
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.(Gram.)
3.
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.(Mus.)
4.
An agent which is adapted to produce a derivation (in the medical sense).(Med.)
5.
A derived function; a function obtained from a given function by a certain algebraic process.(Math.)
6.
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.(Chem.)