/ Dictionary / Index S sulphur: Meaning and Definition of Find definitions for: sul•phur Pronunciation: (sul'fur), [key] — n. sulfur (def. 1). yellow with a greenish tinge; lemon color. Sul•phur Pronunciation: (sul'fur), [key] — n. a city in SW Louisiana. 19,709. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sulphur (Thesaurus) sulphatise sulphur-bottom Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language