Turquoise definition
The color of turquoise; greenish blue.
noun
A blue to blue-green mineral of aluminum and copper, mainly CuAl6 (PO4 )4 (OH)8 · 4H2 O, prized as a gemstone in its polished blue form.
noun
Greenish-blue.
adjective
A light to brilliant bluish green.
noun
A blue or greenish-blue, hard mineral, hydrous copper aluminum phosphate, CuAl6(PO4)4(OH)85H2O, used as a gem.
noun
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Made of turquoise (the gemstone).
adjective
Having a pale greenish-blue colour.
adjective
A blue to bluish-green or yellowish-green triclinic mineral that occurs in reniform (kidney-shaped) masses with surfaces shaped like a bunch of grapes, especially in aluminum-rich igneous rocks such as trachyte. In its polished blue form it is prized as a gem. Chemical formula: CuAl6(PO4)4(OH)8·5H2O.
A sky-blue, greenish-blue, or greenish-gray semi-precious gemstone.
noun
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Other Word Forms
Noun
Singular:
turquoise
Plural:
turquoisesOrigin of turquoise
- Middle English turkeis French turquoise both from Old French (pierre) turqueise Turkish (stone), turquoise feminine of turqueis Turkish from Turc Turk Turk
From American Heritage Dictionary of the English Language, 5th Edition
- From Middle French turquoise, from Old French (pierre) turqueise (“Turkish (stone)"). The stone was originally brought to Europe from Turkestan.
From Wiktionary