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
declivitydownward inclination
integralessential to completeness : constituent
tribunala court or forum of justice
disgruntleto make ill-humored or discontented
antecedeprecede
vitiateto make faulty or defective : impair
proteanof or resembling Proteus in having a varied nature or ability to assume different forms
subversivethe act of subverting : the state of being subverted
yieldto bear or bring forth as a natural product especially as a result of cultivation
credulityreadiness or willingness to believe especially on slight or uncertain evidence