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obsidian

Pronunciation: /ˌɒbˈsɪd.i.ən/

The English word “obsidian” has 3 meanings listed here.

noun

  1. A type of naturally occurring black glass produced by volcanoes.
  2. A slightly bluish black, the color of obsidian glass.

adjective

  1. Black.

Etymology

From Latin obsidianus; named after Obsidius, who was, according to Pliny, the Roman who discovered the stone in Aethiopia.

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