obsidians

obsidians

美 　英

• n.【矿】黑曜岩
• 网络黑曜石；黑耀石；十胜石

词形变化

复数：obsidians  

英汉解释

n.

1. 【矿】黑曜岩

英英解释

n.	1. a jet-black volcanic glass, chemically similar to granite and formed by the rapid cooling of molten lava, that was used by early civilizations for manufacturing tools and ceremonial objects