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
sleekslick
florescencea state or period of flourishing
cogentappealing forcibly to the mind or reason : convincing
rummageto make a thorough search or investigation
orientto direct (something, such as a book or film) toward the interests of a particular group
heterogeneousconsisting of dissimilar or diverse ingredients or constituents : mixed
rusticateto go into or reside in the country : follow a rustic life
aspersiona false or misleading charge meant to harm someone's reputation
stultifyto have a dulling or inhibiting effect on
sheafa quantity of the stalks and ears of a cereal grass or sometimes other plant material bound together