/ Dictionary / Index R relative pitch: Meaning and Definition of Find definitions for: rel'ative pitch' Pronunciation: [key] — Music. Music. the pitch of a tone as determined by its relationship to other tones in a scale. the ability to identify or sing a tone by mentally determining the distance of its pitch from that of a tone already sounded. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. relative permittivity relative pronoun Related Content Daily Word Quiz: exemplary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language