OBSIDIAN


Meaning of OBSIDIAN in English

/ əbˈsɪdiən; NAmE / noun

[ U ] a type of dark rock that looks like glass and comes from volcanoes

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WORD ORIGIN

mid 17th cent.: from Latin obsidianus , error for obsianus , from Obsius , the name of the discoverer of a similar stone.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.