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
exhilaratingcausing strong feelings of happy excitement and elation : thrilling
assentto agree to or approve of something (such as an idea or suggestion) especially after thoughtful consideration : concur
antecedentsa substantive word, phrase, or clause whose denotation is referred to by a pronoun that typically follows the substantive (such as John in "Mary saw John and called to him")
lubricateto make smooth or slippery
careera profession for which one trains and which is undertaken as a permanent calling
concurrentoperating or occurring at the same time
concomitantaccompanying especially in a subordinate or incidental way
taxonomistthe study of the general principles of scientific classification : systematics
susceptiblecapable of submitting to an action, process, or operation
sanctiona formal decree