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
posteritythe offspring of one progenitor to the furthest generation
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gnomemaxim
cravenlacking the least bit of courage : contemptibly fainthearted
chaperona person (such as a matron) who for propriety (see propriety
drasticacting rapidly or violently
inextricableforming a maze or tangle from which it is impossible to get free
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fathomlessincapable of being fathomed : immeasurable
preento groom with the bill especially by rearranging the barbs and barbules of the feathers and by distributing oil from the uropygial gland