vulcanization
nounA method of treating caoutchouc or india-rubber with some form of sulphur, to effect certain changes in its properties, and yield a soft (vulcanized india-rubber) or a hard (vulcauite) product.
nounThe act or process of imparting to caoutchouc, gutta-percha, or the like, greater elasticity, durability, or hardness by heating with sulphur under pressure.
nounA
process of treating rubber or rubberlike materials with sulphur at great heat to improve elasticity and strength or to harden them