HyperDic: natural_glass

English > 1 sense of the expression natural glass:
NOUNsubstancenatural glassmagma of any composition that cooled very rapidly
English > natural glass: 1 sense > noun 1, substance
Meaningmagma of any composition that cooled very rapidly.
Narrowerquartz glass, quartz, vitreous silica, lechatelierite, crystalcolorless glass made of almost pure silica
tektiteThought to derive from meteorites
BroaderglassA brittle / brittle transparent solid with irregular atomic structure
Spanishcristal natural

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