n.

1. 绿松石[C][U]
2. 蓝绿色[U]

a.

1. 蓝绿色的
   the warm turquoise sea

   温暖的蓝绿色的大海

   She looked extremely beautiful in the turquoise dress she wore.

   她穿那件蓝绿色的连衣裙看起来非常漂亮。

n.

1. a semi-precious stone, typically opaque and of a greenish-blue or sky-blue colour, consisting of a hydrated phosphate of copper and aluminium.
2. a greenish-blue colour.