Definition of tubercle noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈtjuːbəkl//
    ; NAmE NAmE//ˈtuːbərkl//
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  1. 1(anatomy, biology) a small round lump, especially on a bone or on the surface of an animal or plant
  2. 2(medical) a small swollen area in the lung caused by tuberculosis
See the Oxford Advanced American Dictionary entry: tubercle