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
glossarya collection of textual glosses or of specialized terms with their meanings
scrappyconsisting of scraps
bravehaving or showing mental or moral strength to face danger, fear, or difficulty : having or showing courage
tundraa level or rolling treeless plain that is characteristic of arctic and subarctic regions, consists of black mucky soil with a permanently frozen subsoil, and has a dominant vegetation of mosses, lichens, herbs, and dwarf shrubs
superimposeto place or lay over or above something
formalitycompliance with formal or conventional rules : ceremony
comportto be fitting : accord
tippleto drink liquor especially by habit or to excess
disgruntleto make ill-humored or discontented
collateralproperty (such as securities) pledged by a borrower to protect the interests of the lender