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
inextricableforming a maze or tangle from which it is impossible to get free
categoricalabsolute
monographa learned treatise on a small area of learning
phyluma direct line of descent within a group
materialisma theory that physical matter is the only or fundamental reality and that all being and processes and phenomena can be explained as manifestations or results of matter (see matter
commensuratecorresponding in size, extent, amount, or degree : proportionate
matriculateto enroll as a member of a body and especially of a college or university
laboriousinvolving, requiring, or characterized by hard and sustained effort : arduous
bitterbeing, inducing, or marked by the one of the five basic taste sensations that is peculiarly acrid, astringent, and often disagreeable and characteristic of citrus peels, unsweetened cocoa, black coffee, mature leafy greens (such as kale or mustard), or ale
evocativeevoking or tending to evoke an especially emotional response