Adjective
1. of or relating to harmony as distinct from melody and rhythm;
"subtleties of harmonic change and tonality"- Ralph Hill2. 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"3. relating to vibrations that occur as a result of vibrations in a nearby body;
"sympathetic vibration"4. involving or characterized by harmony