Topaz

1.

(A semiprecious stone of various colors, especially yellow, the yellow color of a topaz. -top boot a high boot) បុស្សរាគ័ម, ពេជ្រពណ៌លឿង

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.