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
averto declare positively
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erratichaving no fixed course : wandering
disengageto release from something that engages or involves
deprecateto express disapproval of
dina loud continued noise
irresoluteuncertain how to act or proceed : vacillating
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servitudea condition in which one lacks liberty especially to determine one's course of action or way of life