← 単語を見るに戻るobsidiannoun#34,805訳語黒曜岩こくようがん黒曜石こくようせき馬蹄石ばていせき英語の定義acid or granitic glass formed by the rapid cooling of lava without crystallization例文That is the blackest obsidian I have ever seen before.似ている単語midianobs← sumiuppers →