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
severto put or keep apart : divide
captiousmarked by an often ill-natured inclination to stress faults and raise objections
congruentcongruous
vernalof, relating to, or occurring in the spring
disconsolatecheerless
recriminationa retaliatory accusation
anthropoidany of a suborder (Anthropoidea) of higher primates (such as macaques and marmosets)
egothe self especially as contrasted with another self or the world
derivationthe formation of a word from another word or base (as by the addition of a usually noninflectional affix)
insurmountableincapable of being surmounted : insuperable