/ Dictionary / Index B barbitalism: Meaning and Definition of Find definitions for: bar•bi•tal•ism Pronunciation: (bär'bi-tô"liz-um, -tal"iz-), [key] — n. Pathol. barbiturism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. barbital barbitone 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