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
lanknot well filled out : slender
subdueto conquer and bring into subjection : vanquish
shrewany of a family (Soricidae) of small chiefly nocturnal insectivores related to the moles and distinguished by a long pointed snout, very small eyes, and short velvety fur
punitiveinflicting, involving, or aiming at punishment
motifa usually recurring salient thematic element (as in the arts)
determinatehaving defined limits
theoreticalexisting only in theory : hypothetical
turbidthick or opaque with or as if with roiled sediment
redressto set right : remedy
infiltrateto enter or become established in gradually or unobtrusively usually for subversive purposes