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
incognitowith one's identity concealed
nuancea subtle distinction or variation
privationan act or instance of depriving : deprivation
alloythe degree of mixture with base metals : fineness
terminalleading ultimately to death : fatal
annuitya sum of money payable yearly or at other regular intervals
straggleto wander from the direct course or way : rove
blunderto move unsteadily or confusedly
ignoblecharacterized by baseness, lowness, or meanness
peerlessmatchless