| / English Dictionary |
NATURAL GLASS
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Magma of any composition that cooled very rapidly
Classified under:
Hypernyms ("natural glass" is a kind of...):
glass (a brittle transparent solid with irregular atomic structure)
Hyponyms (each of the following is a kind of "natural glass"):
crystal; lechatelierite; quartz; quartz glass; vitreous silica (colorless glass made of almost pure silica)
tektite (thought to derive from meteorites)
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