Definition of "Harmonic" :

noun: any of a series of musical tones whose frequencies are integral multiples of the frequency of a fundamental

noun: a tone that is a component of a complex sound

adjective: involving or characterized by harmony

adjective: relating to vibrations that occur as a result of vibrations in a nearby body

adjective: of or relating to harmony as distinct from melody and rhythm

"Subtleties of harmonic change and tonality."

adjective: 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."

adjective: of or relating to harmonics