/ Dictionary / Index H harmonic tone: Meaning and Definition of Find definitions for: harmon'ic tone' Pronunciation: [key] — Music. Music. a tone produced by suppressing the fundamental tone and bringing into prominence one of its overtones. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. harmonic series harmonious Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language