adj.
1.of or relating to harmony as distinct from melody and rhythm
2.of or relating to the branch of acoustics that studies the composition of musical sounds
3.relating to vibrations that occur as a result of vibrations in a nearby body
4.involving or characterized by harmony harmonic n.
1.a tone that is a component of a complex sound
Idiom of the Day
dead in one's tracks
to be stopped exactly where someone or something is at the moment
The police stopped the robber dead in his tracks.