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English definition of “ruby”


noun     /ˈruː.bi/
[C or U] a transparent, dark red precious stone, often used in jewellery: a ring with a large ruby a ruby necklace/ringPrecious and semi-precious stonesTypes of rock [U] (also ruby red) a dark red colour ruby     adjective (also ruby red) ruby lips
(Definition of ruby noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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