1.Definition: involving or characterized by harmony
2.Definition: of or relating to harmonics
3.Definition: of or relating to harmony as distinct from melody and rhythm
"Subtleties of harmonic change and tonality"
4.Definition: of or relating to the branch of acoustics that studies the composition of musical sounds
"The sound of the resonating cavity cannot be the only determinant of the harmonic response"
5.Definition: relating to vibrations that occur as a result of vibrations in a nearby body