vulcanization
- n process of treating rubber or rubberlike materials with sulphur at great heat to improve elasticity and strength or to harden them
- Developed for tank treads, the process squirts rubber through tiny holes into molds under high pressure which raises the temperature almost to the vulcanization point, gives a .
- One hundred years ago last week a persevering Yankee named Charles Goodyear brewed some crude rubber, sulfur and white lead on his kitchen stove, discovered vulcanization.