obsidian
🇺🇸
/əbˈsɪdiən/
🇬🇧
/əbˈsɪdiən/
noun
R
A naturally occurring, volcanic glass that is usually black or dark in color.
The ancient people used sharp obsidian blades for hunting and warfare.
translation
A naturally occurring, volcanic glass that is usually black or dark in color.
Word Forms
Plural
obsidians