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- Dictionaryturquoise/ˈtəːkwɔɪz/
noun
- 1. a greenish-blue colour: "the turquoise waters of the bay"
- 2. a semi-precious stone, typically opaque and of a greenish-blue or sky-blue colour, consisting of a hydrated phosphate of copper and aluminium.
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noun. uk / ˈtɜː.kwɔɪz / us / ˈtɝː.kɔɪz / turquoise noun (STONE) Add to word list. [ C or U ] a bluish-green semi-precious stone that is often used in jewellery. Igor Sokalski/iStock/Getty Images Plus/GettyImages. SMART Vocabulary: related words and phrases. Geology: precious & semi-precious stones. amber. blood diamond. carbuncle. carnelian.
1. : a mineral that is a blue, bluish-green, or greenish-gray hydrous basic phosphate of copper and aluminum, takes a high polish, and is valued as a gem when sky blue. 2. : a light greenish blue. Examples of turquoise in a Sentence.
Turquoise is an opaque, blue-to-green mineral that is a hydrous phosphate of copper and aluminium, with the chemical formula Cu Al 6(PO 4)4(OH)8·4 H 2 O. It is rare and valuable in finer grades and has been prized as a gemstone for millennia due to its hue.
TURQUOISE meaning: 1. a bluish-green semi-precious stone that is often used in jewellery 2. a bluish-green colour 3…. Learn more.
Turquoise definition: an opaque mineral, a basic hydrous copper aluminum phosphate often containing a small amount of iron, sky-blue or greenish-blue in color, cut cabochon as a gem.. See examples of TURQUOISE used in a sentence.
noun. 1. a greenish-blue fine-grained secondary mineral consisting of hydrated copper aluminium phosphate. It occurs in igneous rocks rich in aluminium and is used as a gemstone. Formula: CuAl 6 (PO 4) 4 (OH) 8.4H 2 O. 2. a. the colour of turquoise. b.
1. A blue to blue-green mineral of aluminum and copper, mainly CuAl 6 (PO 4) 4 (OH) 8· 4H 2 O, prized as a gemstone in its polished blue form. 2. A light to brilliant bluish green.