Obsidian (english) - Kamus SABDA

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Noun

ob=sid=i=an

WORDNET DICTIONARY

obsidian(n = noun.substance) - acid or granitic glass formed by the rapid cooling of lava without crystallization; usually dark, but transparent in thin pieces;

, n. Array

A kind of glass produced by volcanoes. It is usually of a black color, and opaque, except in thin splinters. [1913 Webster]

, n. a dark glassy volcanic rock formed from hardened lava.

Etymology

L obsidianus, error for obsianus f. Obsius, the name (in Pliny) of the discoverer of a similar stone