obsidian

From WikiWord, the free dictionary

/ˌɒbˈsɪd.i.ən/ English

Definitions

noun

A type of black glass produced by volcanoes.

adjective

Black

Related words

Synonyms

basalt volcanic glass byssolite onyx hornblende perlite rock glass augite volcanite bokite obby black sand basalte opacite wyomingite alkali basalt

Associated

conchoidal hydration chert pumice prismatic mesoamerica flakes rhyolite lithic olmec blades cacao

Rhymes

antemeridian prime meridian providian biddy in ceridian davidian didion floridian giddy in gideon

References