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
amenitiessomething that helps to provide comfort, convenience, or enjoyment
unceremoniousnot ceremonious : informal
whimsywhim
fomentto promote the growth or development of : rouse
salineconsisting of or containing salt
reprobatean unprincipled or depraved person : scoundrel
obsidiana dark natural glass formed by the cooling of molten lava
peevishquerulous in temperament or mood : fretful
rectitudethe quality or state of being straight
adjointo add or attach by joining