tumor

noun tu·mor \ˈtü-mər, ˈtyü-\

: a mass of tissue found in or on the body that is made up of abnormal cells

Full Definition of TUMOR

: a swollen or distended part

: an abnormal benign or malignant new growth of tissue that possesses no physiological function and arises from uncontrolled usually rapid cellular proliferation —called also neoplasm

— tu·mor·al \-mə-rəl\ adjective

— tu·mor·like \-mər-ˌlīk\ adjective

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See tumor defined for kids

Origin of TUMOR

Middle English tumour, from Latin tumor, from tumēre

First Known Use: 15th century

Related to TUMOR

Synonyms: excrescence, excrescency, lump, neoplasm, growth

Other Medicine Terms

analgesia, angina, diabetes, hepatitis, homeopathy, logorrhea, palliate, pandemic

Rhymes with TUMOR

bloomer, Bloomer, boomer, groomer, humor, roomer, rumor, Sumer

TUMOR Defined for Kids

tumor

noun tu·mor \ˈtü-mər, ˈtyü-\

Definition of TUMOR for Kids

: an abnormal growth of body tissue

Medical Dictionary

tumor

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