polyposis noun. [pɒlɪ'pǝʊsɪs] Pl. -poses [-'pǝʊsi:z]. E20.
[formed as POLYPOUS + -OSIS.]
Medicine. A condition characterized by the presence of numerous internal polyps, esp. (in full polyposis coli ['kǝʊlʌɪ] [Latin = of the colon]) a hereditary disease which affects the colon and in which the polyps may become malignant.

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