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
torridparched with heat especially of the sun : hot
dissectionthe act or process of dissecting : the state of being dissected
mangeany of various persistent contagious skin diseases marked especially by eczematous inflammation and loss of hair, affecting domestic animals or sometimes humans, and caused by a minute parasitic mite compare sarcoptic mange
reputedhaving a good repute : reputable
mottoa sentence, phrase, or word inscribed on something as appropriate to or indicative of its character or use
improviseto compose, recite, play, or sing extemporaneously
slovenlyuntidy especially in personal appearance
exactingtryingly or unremittingly severe in making demands
adeptthoroughly proficient : expert
shamblesa meat market