topaz

topaz is a   Noun

Definition:

[1] A mineral occurring in rhombic prisms, generally yellowish and pellucid, also colorless, and of greenesh, bluish, or brownish shades. It sometimes occurs massive and opaque. It is a fluosilicate of alumina, and is used as a gem.

[2] Either one of two species of large, brilliantly colored humming birds of the Topaza, of South America and the West Indies.

Synonyms: