volcanic glass
https://w3id.org/framester/wn/wn30/instances/synset-volcanic_glass-noun-1 <https://w3id.org/framester/wn/wn30/schema/NounSynset>
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volcanic glass
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14880777-n
volcanic glass
114033266
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0
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0
a kind of natural glass produced when molten lava cools very rapidly
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114880777