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Meaning of OBSIDIAN

Pronunciation:  ub'sideeun

WordNet Dictionary
[n]  acid or granitic glass; usually dark, but transparent in thin pieces

OBSIDIAN is a 8 letter word that starts with O.


 See Also: volcanic glass



Webster's 1913 Dictionary
\Ob*sid"i*an\, n. [L. Obsidianus lapis, so named,
according to Pliny, after one Obsidius, who discovered it in
Ethiopia: cf.F. obsidiane, obsidienne. The later editions of
Pliny read Obsianus lapis, and Obsius, instead of Obsidianus
lapis, and Obsidius.] (Min.)
A kind of glass produced by volcanoes. It is usually of a
black color, and opaque, except in thin splinters.

Note: In a thin section it often exhibits a fluidal
      structure, marked by the arrangement of microlites in
      the lines of the flow of the molten mass.

Dream Dictionary
 Definition: Seeing obsidian in your dream, suggests that you are well-grounded or that you need to be more grounded.
 Definition: a volcanic glass whose ease of working and characteristically bard flintlike edges allowed it to be used for the making of tools.