A hard, black variety of vulcanite. It may be cut and polished, and is used for many small articles, as combs and buttons, and for insulating material in electric apparatus.
- A relatively inelastic rubber, made by vulcanization with a large amount of sulfur and used as an electrical insulating material.
Malayalam MeaningTransliteration ON/OFF | Not Correct/Proper?
;ഒരു ഉറപ്പുള്ള റബ്ബര് - Oru Urappulla Rabbar ;