C1 noun #16,823 most common

obsidian

UK /ˌɒbˈsɪd.i.ən/ | US /ˌɒbˈsɪd.i.ən/

A type of black glass produced by volcanoes.

obsidian in 30 Seconds

  • (noun) A type of black glass produced by volcanoes.
  • (adjective) Black

Meanings

  1. 1
    noun A type of black glass produced by volcanoes.
  2. 2
    adjective Black
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