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
natationthe action or art of swimming
epochan event or a time marked by an event that begins a new period or development
aridexcessively dry
ferociousexhibiting or given to extreme fierceness and unrestrained violence and brutality
matriculateto enroll as a member of a body and especially of a college or university
credoa guiding belief or principle : creed
unerringlycommitting no error : faultless
cauterizeto sear with a cautery or caustic
accessoryan object or device that is not essential in itself but adds to the beauty, convenience, or effectiveness of something else
stalwartmarked by outstanding strength and vigor of body, mind, or spirit