Last Updated
：2025/11/20
obsidian
IPA(Pronunciation)
Noun
uncountable
usually
Japanese Meaning
火山活動によって生成される、天然の黒曜石（黒いガラス質の鉱物） / わずかに青みがかった黒色（黒曜石ガラスの色）
（ plural ）
Quizzes for review
(mineralogy) A type of naturally occurring black glass produced by volcanoes. / A slightly bluish black, the color of obsidian glass.
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obsidian
The archaeologist held a shard of obsidian up to the light to study its glassy surface.
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The archaeologist held a shard of obsidian up to the light to study its glassy surface.
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