sulphurise

[suhl-fyuh-rahyz, -fuh-]

sulfurize

[suhl-fyuh-rahyz, -fuh-]
verb (used with object), sul·fu·rized, sul·fu·riz·ing.
  1. to combine, treat, or impregnate with sulfur.
  2. to fumigate with sulfur dioxide.
Also especially British, sul·phu·rise.

Origin of sulfurize

From the French word sulfuriser, dating back to 1785–95. See sulfur, -ize
Related formssul·fu·ri·za·tion, nounre·sul·fu·rize, verb (used with object), re·sul·fu·rized, re·sul·fu·riz·ing.su·per·sul·fu·rize, verb (used with object), su·per·sul·fu·rized, su·per·sul·fu·riz·ing.un·sul·fu·rized, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018