/ Dictionary / Index B bitonality: Meaning and Definition of Find definitions for: bi•to•nal•i•ty Pronunciation: (bī"tō-nal'i-tē), [key] — pl. -ties. the simultaneous occurrence of two tonalities in a composition. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bitonal bit part Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language