turquoise
/ˈtɜːkwɔɪz/noun
mass noun
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绿松石。
2
- a greenish-blue colour like that of this stone绿松石色, 青绿色：
as modifier the turquoise waters of the bay.青绿色的湾水。
词源
late Middle English: from Old French turqueise 'Turkish (stone)'.