Latin

Adjective

obsidiana

1. nominative feminine singular of obsidianus
2. nominative neuter plural of obsidianus
3. accusative neuter plural of obsidianus
4. vocative feminine singular of obsidianus
5. vocative neuter plural of obsidianus

obsidianā

1. ablative feminine singular of obsidianus

Portuguese

Noun

obsidiana f (plural obsidianas)

1. obsidian (a type of black volcanic glass)

Spanish

Noun

obsidiana f ‎(plural obsidianas)

1. obsidian