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English definition of “polyp”

polyp

noun [C] (GROWTH)    /ˈpɒl.ɪp/ US  /ˈpɑː.lɪp/ specialized
medical a small mass of cells that grows in the body, and is usually not harmfulSwellings and lumps
(Definition of polyp noun (GROWTH) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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