Entry 2 senses · 2 variants Webster, 1913 Sulphurate · Sul·phu·rate · IPA a. v. t. 01 a. Sulphureous. 1. Sulphureous.[Poetic & R.] 02 v. t. To sulphurize. imp. & p. p. Sulphurated; p. pr. & vb. n. Sulphurating 1. To sulphurize.(Chem.) [Archaic]