English Dictionary

obsidian

IPA（発音記号）

/ˌɒbˈsɪd.i.ən/

名詞

不可算名詞 通常

(mineralogy) A type of naturally occurring black glass produced by volcanoes. / A slightly bluish black, the color of obsidian glass.

日本語の意味

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）

The archaeologist held a shard of obsidian up to the light to study its glassy surface.

考古学者は黒曜石の破片を光にかざし、そのガラスのような表面を調べた。

意味（1）

(mineralogy) A type of naturally occurring black glass produced by volcanoes.

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.

意味（2）

A slightly bluish black, the color of obsidian glass.

obsidian:

obsidians （ plural ）