Breadcrumb Home > Dictionary > Index S sulfurize: Meaning and Definition of Find definitions for: sul•fu•rize Pronunciation: (sul'fyu-rīz", -fu-), [key] — -rized, -riz•ing. to combine, treat, or impregnate with sulfur. to fumigate with sulfur dioxide. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sulfuric ether sulfurous ✖ Related Content Daily Word Quiz: guilloche Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language