[əbˈsɪdɪən], (Noun)

Definitions:
- a hard, dark, glasslike volcanic rock formed by the rapid solidification of lava without crystallization


Phrases:

Origin:
early 17th century (as an adjective): from Latin obsidianus, variant of obsianus, from Obsius, the name (in Pliny) of the discoverer of a similar stone

[əbˈsɪdɪən], (Adjective)

Definitions:
- made of or resembling obsidian
(e.g: the Aztecs placed great value on highly polished obsidian mirrors)


Phrases:

Origin:
early 17th century (as an adjective): from Latin obsidianus, variant of obsianus, from Obsius, the name (in Pliny) of the discoverer of a similar stone