tumor

[ too-mer, tyoo- ]
/ ˈtu mər, ˈtyu- /

noun

a swollen part; swelling; protuberance.
an uncontrolled, abnormal, circumscribed growth of cells in any animal or plant tissue; neoplasm.
Archaic.
  1. inflated pride; haughtiness.
  2. pompous language; bombast.
Also especially British, tu·mour.

Origin of tumor

1535–45; < Latin: a swelling, swollen state, equivalent to tum(ēre) to swell + -or -or1

OTHER WORDS FROM tumor

Words nearby tumor

tumescent, tumid, tummler, tummy, tummy tuck, tumor, tumor angiogenic factor, tumor antigen, tumor burden, tumor lysis syndrome, tumor marker

Example sentences from the Web for tumour

British Dictionary definitions for tumour

tumour

US tumor

/ (ˈtjuːmə) /

noun

pathol
  1. any abnormal swelling
  2. a mass of tissue formed by a new growth of cells, normally independent of the surrounding structures
obsolete pompous style or language

Derived forms of tumour

tumorous or tumoral, adjective

Word Origin for tumour

C16: from Latin, from tumēre to swell

Medical definitions for tumour

tumor
[ tōō′mər ]

n.

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

Scientific definitions for tumour

tumor
[ tōō′mər ]

See neoplasm. See Note at cancer.

Cultural definitions for tumour

tumor

An abnormal mass of new tissue growth that serves no function in the body. Tumors are usually classified as benign or malignant and are often caused by cancer.