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English definition of “pearl”

pearl

noun     /pɜːl/ US  /pɝːl/
[C or U] a small , round object , usually white , that forms around a grain of sand inside the shell of a sea creature , especially an oyster. Pearls are valuable and are used to make jewellery : a string of pearls a pearl necklace JewelleryPrecious and semi-precious stonesTypes of rock pearls [plural] jewellery made from pearls: He gave her pearls for her birthday .Jewellery [C] an artificially made pearl: cultured pearlsJewelleryPrecious and semi-precious stonesTypes of rock [C] literary a small drop of liquid : There were pearls of dew on the grass .Spherical, circular and annular objectsGeometrical shapes [U] the white shiny colour of pearl or a pale colour Black, white and grey [U] → mother-of-pearl: pearl buttons JewelleryThe skin, hair and bone of non-human animals
(Definition of pearl noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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