1 entry 1 source
Obsidian
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: noun (n.)
A kind of glass produced by volcanoes. It is usually of a black color, and opaque, except in thin splinters.
1 entry 1 source
Part of speech: noun (n.)
A kind of glass produced by volcanoes. It is usually of a black color, and opaque, except in thin splinters.