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
exonerateto relieve of a responsibility, obligation, or hardship
latitudeangular distance from some specified circle or plane of reference: such as
opalescentreflecting an iridescent light
broachbrooch
tomebook
exemplifyto show or illustrate by example
sibyllineany of several prophetesses usually accepted as 10 in number and credited to widely separate parts of the ancient world (such as Babylonia, Egypt, Greece, and Italy)
pluckto pull or pick off or out
subsidiaryfurnishing aid or support : auxiliary
bombastpretentious inflated speech or writing