单词 | obsidian |
释义 | Word Frequency obsidian(ɒbˈsɪdɪən) noun a dark volcanic glass formed by very rapid solidification of lava Also called: Iceland agateWord origin C17: from Latin obsidiānus, erroneous transcription of obsiānus (lapis) (stone of) Obsius, the name (in Pliny) of the discoverer of a stone resembling obsidian |
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