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English definition of “disc”

disc

noun [C] (US also disk)     /dɪsk/
B2 a circular flat object: The dog's name was engraved on a little metal disc attached to its collar.Spherical, circular and annular objectsGeometrical shapes C2 a small piece of cartilage (= strong body tissue that stretches) between the bones in your backBone structures B1 a musical record or a compact disc → See also CDSound and image recordings
(Definition of disc noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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