Medical Dictionary


noun tu·mor

Medical Definition of TUMOR

:  an abnormal benign or malignant new growth of tissue that possesses no physiological function and arises from uncontrolled usually rapid cellular proliferation—see cancer 1, carcinoma, sarcoma
tu·mor·like \-ˌlīk\ adjective

Variants of TUMOR

tu·mor or chiefly British tu·mour \ˈt(y)ü-mər\
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