harmonic
Definition (noun): a tone that is a component of a complex sound
Definition (noun): any of a series of musical tones whose frequencies are integral multiples of the frequency of a fundamental
Definition (adjective): of or relating to harmony as distinct from melody and rhythm
Example: subtleties of harmonic change and tonality
Definition (adjective): of or relating to harmonics
Definition (adjective): of or relating to the branch of acoustics that studies the composition of musical sounds
Example: the sound of the resonating cavity cannot be the only determinant of the harmonic response
Definition (adjective): relating to vibrations that occur as a result of vibrations in a nearby body
Example: sympathetic vibration
Definition (adjective): involving or characterized by harmony