1. obsidian

noun. ['əbˈsɪdiːən'] acid or granitic glass formed by the rapid cooling of lava without crystallization; usually dark, but transparent in thin pieces.

Rhymes with Obsidian

• antemeridian
• providian
• floridian
• davidian
• meridien
• meridian
• ceridian
• gideon
• didion

How do you pronounce obsidian?

Pronounce obsidian as əbˈsɪdiən.

US - How to pronounce obsidian in American English

UK - How to pronounce obsidian in British English

Sentences with obsidian

1. Adjective
Arrowheads were made from flint or obsidian but could also be made from bone, horn and copper.

2. Noun, singular or mass
Unlike other rocks, obsidian is not considered a mineral because of its noncrystalline, glass-like structure.