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| tu·mor [ tmər ] (plural tu·mors) |
noun |
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| Definition: |
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1. mass of tissue: an uncontrolled growth or mass of body cells, which may be malignant or benign and has no physiological function
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2. swollen part: an unusual swelling in or on the body
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| [15th century. < Latin, < tumere "swell"] |
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 tu·mor·al adjective |
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