Vi fant 1 definisjoner av volcanic glass på engelsk.
Noun |
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| volcanic glass - a kind of natural glass produced when molten lava cools very rapidly | ||
| volcanic rock extrusive igneous rock solidified near or on the surface of the Earth | ||
| obsidian acid or granitic glass formed by the rapid cooling of lava without crystallization; usually dark, but transparent in thin pieces | ||
| pitchstone dark acid granitic glass | ||