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
protuberancesomething that is protuberant
terminalleading ultimately to death : fatal
loquaciousfull of excessive talk : wordy
centigraderelating to, conforming to, or having a thermometric scale on which the interval between the freezing point of water and the boiling point of water is divided into 100 degrees with 0° representing the freezing point and 100° the boiling point
compileto compose out of materials from other documents
catechismoral instruction
citadela fortress that commands (see command
underscoreto draw a line under : underline
esotericdesigned for or understood by the specially initiated alone
strangleto choke to death by compressing the throat with something (such as a hand or rope) : throttle