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
diversediffering from one another : unlike
occultto shut off from view or exposure : cover
charydiscreetly cautious: such as
evanescenttending to vanish like vapor
sybaritevoluptuary
prototypean original model on which something is patterned : archetype
premeditateto think about and revolve in the mind beforehand
sphinx-likeenigmatic; mysterious
accostto approach and speak to (someone) in an often challenging or aggressive way
factitiousproduced by humans rather than by natural forces