Obsidian
nounverified·updated May 18, 2026
acid or granitic glass formed by the rapid cooling of lava without crystallization
Classifications
Entity Type
Unknown—glossary_import_default_pending_classifier
?unassignedlast reviewed —
Sensitivity
unclassified
Information Class
unclassified
Variants
- plural
- Obsidians
- possessive
- Obsidian's
- pluralpossessive
- Obsidians'