rare. [f. SULPHUR + -ATE3, or back-formation from next.] trans. To combine with, or convert into, sulphur; to impregnate with, or subject to the action of, sulphur.
1757. trans. Henckel’s Pyritologia, xiii. 248. When I would try to make ores from metals … I am obliged to use metallic earths, or formal metals, also real sulphur and arsenic, in order either to arsenicate, or sulphurate the former.
1852. Burn, Naval & Milit. Dict., II. (1863), 277/1. Sulphurate, soufrer, ensoufrer; convertir en sulfure.
