volcanic glass 1
rzeczownikdomena: substancja
Princeton WordNet [ver.3.1]
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AngielskiDefinicja
a kind of natural glass produced when molten lava cools very rapidly
Hypernym
volcanic rock 1
rzeczownik
extrusive igneous rock solidified near or on the surface of the Earth
AngielskiHyponym
obsidian 1
rzeczownik
acid or granitic glass formed by the rapid cooling of lava without crystallization; usually dark, but transparent in thin pieces
pitchstone 1
rzeczownik
dark acid granitic glass
tachylite 1
rzeczownik
a basic or basalt glass
