obsidian

About 0.91 uses per million words.

Meaning

1. noun A type of naturally occurring black glass produced by volcanoes.
2. noun A slightly bluish black, the color of obsidian glass.

   obsidian:

3. adjective Black.

Similar words

basalt volcanic glass byssolite onyx hornblende perlite rock glass augite volcanite bokite

Often followed by

and from blades is was hydration in artifacts blade

Word family

obsidians