← Back to search

Meaning of sheen obsidian | Babel Free

Noun CEFR B2

Definitions

A rare type of volcanic glass that forms when gas bubbles or mineral inclusions become trapped in layers of rapidly cooling lava.

countable, uncountable

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

Sheena sheenlessness Sheens sheeny Sheep sheep crab