/ Dictionary / Index T tonic accent: Meaning and Definition of Find definitions for: ton'ic ac'cent Pronunciation: [key] prominence given to a syllable in speaking, usually due to a change, esp. a rise, in pitch. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tonic tonicity Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language