Definition:
turquoise
- turquoiseA semiprecious stone, typically opaque and of a greenish-blue or sky-blue color, consisting of a hydrated hydroxyl phosphate of copper and aluminum
- turquoiseA greenish-blue color like that of this stone
- turquoisea hydrous phosphate of alumina containing a little copper, having a blue, or bluish green, color also TURKIES, TURKIS, TURKOIS, TURQUOIS