Pronunciation: (här-mon'iks), [key]
1. (used with a sing. v.) the science of musical sounds.
2. (used with a pl. v.) the partials or overtones of a fundamental tone. Cf. overtone (def. 1).
3. (used with a pl. v.) the flageoletlike tones of a string, as a violin string, made to vibrate so as to bring out an overtone.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.