GRE Word List

OBSIDIAN

a dark natural glass formed by the cooling of molten lava

The meaning of the word obsidian is a dark natural glass formed by the cooling of molten lava.

Random words

WordMeaning
usurythe lending of money with an interest charge for its use
warblea melodious succession of low pleasing sounds
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figurativerepresenting by a figure or resemblance : emblematic
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expenditurethe act or process of expending
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