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