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Definition of: turquoise
Our photo definition of turquoise 
(tûr′koiz, -kwoiz) noun
1. A blue or green hydrous aluminum phosphate, H5Al2-PO8, colored by copper: found massive, and in its highly polished blue varieties esteemed as a gemstone.
2. A light, greenish blue, the color of the turquoise: also turquoise blue. Also spelled turkois. Also Obs. tur·quois (tûr·koiz′). [<MF (pierre) turquoise Turkish (stone) <OF turqueise, fem. of turqueis Turkish; so called because first imported through Turkey]
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