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obsidian — meaning in English

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English meaning

  • obsidian noun A smooth, glassy black rock formed when lava cools very quickly.

Senses

obsidian is used for these senses in English:

  • obsidian (mineral) A type of naturally occurring black glass produced by volcanoes.

obsidian — full definition

  1. noun A smooth, glassy black rock formed when lava cools very quickly.
  2. adj Deep glossy black, like the volcanic glass.