| NOUN | substance | obsidian | acid or granitic glass formed by the rapid cooling of lava without crystallization |
|---|
| Sounds | ahbsih'diyahn | |
|---|---|---|
| Rhymes | Aachen ... Zukerman: 2572 rhymes with ahn... | |
| Meaning | acid or granitic glass formed by the rapid cooling of lava without crystallization; usually dark, but transparent in thin pieces. | |
|---|---|---|
| Broader | volcanic glass | A kind of natural glass produced when molten lava cools very rapidly |
| Spanish | obsidiana | |
| Catalan | obsidiana | |
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