sul·fu·rize transitive verb orsul·phu·rize\ˈsəlf(y)əˌrīz\ (-ed/-ing/-s) Usage: see -ize Etymology:sulfurize from French sulfuriser, from Latin sulfur + French -iser -ize; sulphurize modification (influenced by sulphur) of French sulfuriser : to combine or impregnate with sulfur or one of its compounds : sulfur < sulfurized lubricating and cutting oils >