Derived; taken or having proceeded from another or something preceding; secondary; as a derivative perfection; a derivative conveyance, as a release.

A derivative chord, in music, is one derived from a fundamental chord.

That which is derived; a word which takes its origin in another word, or is formed from it. Thus, depravity is a derivative from the L. Deravo, and acknowledge, from knowledge, and this from know, the primitive word.

In music, a chord not fundamental.