tumor

(to̵̅o̅mər, tyo̵̅o̅-)

noun

    1. a swelling on some part of the body
    2. a mass of new tissue growth independent of its surrounding structures, having no physiological function; neoplasm: such tumors are classified as benign or malignant
  1. Obsolete high-flown language; bombast

Origin: L, a swelling < tumere, to swell < IE base *tēu-, to swell > thumb

Brit. sp. tumour

Related Forms:

See tumor in American Heritage Dictionary 4

noun
  1. An abnormal growth of tissue resulting from uncontrolled, progressive multiplication of cells and serving no physiological function; a neoplasm.
  2. A swollen part; a swelling.

Origin:

Origin: Middle English tumour

Origin: , from Latin tumor

Origin: , from tumēre, to swell; see teuə- in Indo-European roots

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Related Forms:

  • tuˈmor·al, tuˈmor·ous adjective

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