/ Dictionary / Index S sulfuric: Meaning and Definition of Find definitions for: sul•fu•ric Pronunciation: (sul-fyoor'ik), [key] — adj. Chem. of, pertaining to, or containing sulfur, esp. in the hexavalent state. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sulfuric (Thesaurus) sulfur-flower sulfuric acid Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language