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obsidian

audio pronunciation audio pronunciation
noun
  • black volcanic rock [Barron]

More word meanings for obsidian
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Wiktionary:
obsidian @ wiktionary
WordNet:
obsidian @ wordnet.princeton.edu
Merriam-Webster Online:
obsidian @ M-W.com
MSN Encarta:
obsidian @ Encarta
American Heritage Dictionary of the English Language:
obsidian @ AHD provided by Yahoo! Education
Answers.com:
obsidian @ Answers.com
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