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
redoubtablecausing fear or alarm : formidable
balmyhaving the qualities of balm : soothing
imperturbablemarked by extreme calm, impassivity, and steadiness : serene
squabblea noisy altercation or quarrel usually over petty matters
scholarlyof, characteristic of, or suitable to learned persons : learned
itineranttraveling from place to place
practicalof, relating to, or manifested in practice or action : not theoretical or ideal
circumspectcareful to consider all circumstances and possible consequences : prudent
cascadea steep usually small fall of water
kneadto work and press into a mass with or as if with the hands