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8 Words That Are Older Than You Think

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
1535-1545
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
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for tumors
  • Mri should be routinely used in the workup of malignant tumors.
  • Note that some neoplasms, such as leukemia, do not form tumors.
  • Recurrence new tumors that appear at the site of the original tumor after surgery.
  • Metastasis new tumors that appear far from the original tumor.
  • Sarcoma malignant tumors derived from connective tissue, or mesenchymal cells.
  • Inactivation of one allele of some tumor suppressor genes is sufficient to cause tumors.
  • The benign tumors are called chondroma, the malignant ones chondrosarcoma.
  • However, mysterious, usually fatal ear tumors continue to plague the catalina fox.
Word Origin and History for tumors

tumor

n.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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tumors 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.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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tumors in Science
tumor
  (t'mər)   
See neoplasm. See Note at cancer.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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tumors 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.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Slang definitions & phrases for tumors

tumor

Related Terms

milwaukee goiter


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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