tumor

[too-mer, tyoo-] /ˈtu mər, ˈtyu-/
noun
1.
a swollen part; swelling; protuberance.
2.
an uncontrolled, abnormal, circumscribed growth of cells in any animal or plant tissue; neoplasm.
3.
Archaic.
  1. inflated pride; haughtiness.
  2. pompous language; bombast.
Also, especially British, tumour.
Origin
1535-45; < Latin: a swelling, swollen state, equivalent to tum(ēre) to swell + -or -or1
Related forms
tumorlike, adjective
tumorous, tumoral, adjective
antitumor, adjective, noun
antitumoral, adjective
nontumorous, adjective
Examples from the web for tumor
  • If one cell can incite tumor growth, researchers know that's the cell to target if they want to stop the tumor's growth.
  • Take a virtual tour into the growth of a tumor and watch how blood vessels help tu.
  • When tumor cells are transplanted into experimental mice, only the stem cell variety spurs new cancer growth.
  • They found that the cells initiated and sustained new brain tumor growth in the mice.
  • Take a virtual tour into the growth of a tumor and watch how blood vessels help tumors grow and metastasize.
  • They also demonstrated that an antibody targeting these cells slows tumor growth in mice.
  • There have been cases in which the immune system successfully fights a tumor, and others in which it stimulates tumor growth.
  • But when something goes awry, methylation can unleash a tumor by silencing a gene that normally keeps cell growth in check.
  • Grading a tumor can help predict its growth rate and tendency to spread.
  • Pheochromocytoma may occur as a single tumor or as more than one growth.
British Dictionary definitions for tumor

tumour

/ˈtjuːmə/
noun
1.
(pathol)
  1. any abnormal swelling
  2. a mass of tissue formed by a new growth of cells, normally independent of the surrounding structures
2.
(obsolete) pompous style or language
Derived Forms
tumorous, tumoral, adjective
Word Origin
C16: from Latin, from tumēre to swell
Word Origin and History for tumor
n.

1540s, from Latin tumor "swelling, condition of being swollen," from tumere "to swell" (see thigh).

tumor in Medicine

tumor tu·mor (tōō'mər, tyōō'-)
n.

  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.

tumor in Science
tumor
  (t'mər)   
See neoplasm. See Note at cancer.
tumor in Culture

tumor definition


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.

Slang definitions & phrases for tumor

tummy

noun

The stomach: eliminating the protruding tummy

[1869+; fr a childish pronunciation of stomach]