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English definition of “sapphire”

sapphire

noun     /ˈsæf.aɪər/ US  /-aɪr/
[C or U] a precious stone , usually bright blue , that is often used in jewellery : a ring with a large sapphire a sapphire ring / bracelet Precious and semi-precious stonesTypes of rock [U] (also sapphire blue) bright blue Less common coloursCommon colours sapphire     adjective (also sapphire blue) a sapphire sea
(Definition of sapphire noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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