tubercle

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tu·ber·cle / ˈt(y)oōbərkəl/ • n. 1. Anat. , Zool. , & Bot. a small rounded projection or protuberance, esp. on a bone or on the surface of an animal or plant.2. Med. a small nodular lesion in the lungs or other tissues, characteristic of tuberculosis.DERIVATIVES: tu·ber·cu·late / t(y)oōˈbərkyəˌlāt; -lit/ adj. (in sense 1).

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