/ Dictionary / Index S sodium butabarbital: Meaning and Definition of Find definitions for: so'dium butabar'bital Pronunciation: [key] — Pharm. Pharm. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sodium bromide sodium carbonate Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language