obsidian

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

• (UK) IPA^(key): /ˌɒbˈsɪd.i.ən/
• (US, also) IPA^(key): /əbˈsɪd.i.ən/
• Rhymes: -ɪdiən

obsidian (usually uncountable, plural obsidians)

1. (mineralogy) A type of naturally occurring black glass produced by volcanoes.
   • 1981, William Irwin Thompson, The Time Falling Bodies Take to Light: Mythology, Sexuality and the Origins of Culture, London: Rider/Hutchinson & Co., page 130:

     The Neolithic culture from 8000 to 6000 B.C., however, was a brilliant period of the revival of crafts, the transformation of gathering into gardening, the growth of a cross-cultural obsidian trade, and the rise of towns.

2. A slightly bluish black, the color of obsidian glass.

   obsidian:  

• fire obsidian
• sheen obsidian
• rainbow obsidian
• snowflake obsidian

obsidian (comparative more obsidian, superlative most obsidian)

1. (poetic) black

• anobiids

obsidian c or n (singular definite obsidianen or obsidianet, not used in plural form)

1. obsidian

• “obsidian” in Den Danske Ordbog
• “obsidian” in Ordbog over det danske Sprog

From French obsidiane, from Latin obsidiana.

obsidian n (plural obsidiane)

1. obsidian

• obsidian in DEX online - Dicționare ale limbii române (Dictionaries of the Romanian language)

obsidian c

1. obsidian