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
disgruntleto make ill-humored or discontented
melancholydepression of spirits : dejection
cognateof the same or similar nature : generically alike
eruditehaving or showing knowledge that is gained by studying : possessing or displaying erudition
indeterminatenot definitely or precisely determined or fixed : vague
decrepitwasted and weakened by or as if by the infirmities of old age
sourbeing, inducing, or marked by the one of the five basic taste sensations that is produced chiefly by acids and is characteristic of lemon juice
precociousexceptionally early in development or occurrence
imponderablenot ponderable : incapable of being weighed or evaluated with exactness
avantgardegroup of artists whose work is based on the newest ideas and methods; CF. vanguard