n. [ See Vulcan. ] The act or process of imparting to caoutchouc, gutta-percha, or the like, greater elasticity, durability, or hardness by heating with sulphur under pressure. [ 1913 Webster ]
v. t.
Vulcanized fiber,
Vulcanized rubber,
n. One who, or that which, vulcanizes; esp., an apparatus for vulcanizing caoutchouc. [ 1913 Webster ]