/ Dictionary / Index B barbitone: Meaning and Definition of Find definitions for: bar•bi•tone Pronunciation: (bär'bi-tōn"), [key] — n. Pharm. Chiefly Brit. barbital. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: barbitone (Thesaurus) barbitalism barbiturate Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language