Definitions of vulcanite

1. Caoutchouc vulcanized, or combined with sulphur.

2. A dark - colored hard variety of vulcanized india - rubber.

3. Vulcanized india- rubber, combined with a large proportion of sulphur; volcanic garnet.

4. Volcanic garnet, so called from its occurrence in ejected blocks and lavas; india- rubber hardened by vulcanisation.