S0875700 (sŭl′fə-rīz′, -fyə-)tr.v.sul·fur·ized, sul·fur·iz·ing, sul·fur·iz·es1. To treat or impregnate with sulfur; sulfuret.2. To bleach or fumigate with sulfur or sulfur dioxide.sul′fur·i·za′tion(-fər-ĭ-zā′shən, -fyər-) n.
sulfurization
(ˌsʌlfjʊraɪˈzeɪʃən) n (Chemistry) the US preferred spelling of sulphurization