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English definition of “aquamarine”

aquamarine

noun [C or U] (STONE)    /ˌæk.wə.məˈriːn/
a greenish-blue stone used in jewelleryPrecious and semi-precious stonesTypes of rock aquamarine     adjective of a greenish-blue colour
(Definition of aquamarine noun (STONE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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