1. (n.) Anything obtained or deduced from a prior source; as, gasoline is a derivative of crude oil\.

2. (a.) Obtained by derivation; derived; not radical, original, or fundamental; originating, deduced, or formed from something else; secondary; as, a derivative conveyance; a derivative word.

3. (n.) 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.

4. (n.) 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.

5. (n.) An agent which is adapted to produce a derivation (in the medical sense).

6. (n.) A derived function; a function obtained from a given function by a certain algebraic process.

7. (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.

accountable acquired alleged ascribable assignable attributable attributed borrowed by-product charged conjugate consequent consequential copied credited derivable from derivation derivational derived descendant development due echoic ensuing etymologic explicable final following imitative imputable imputed lexical lexicographic lexicologic lexigraphic noncreative nongerminal nonseminal obtained offshoot onomastic onomatologic onomatopoeic owing paronymic paronymous plagiarized procured putative referable referred to resultant resulting sequacious sequent sequential spin-off traceable uncreative uninventive unoriginal unpregnant