tumor

tu·mor

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
Obs. high-flown language; bombast

Origin of tumor

L, a swelling from tumere, to swell from Indo-European base an unverified form t?u-, to swell from source thumb

Brit. sp. tu′mour

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"tumor." YourDictionary, n.d. Web. 18 April 2019. <https://www.yourdictionary.com/Tumor>.

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tumor. (n.d.). Retrieved April 18th, 2019, from https://www.yourdictionary.com/Tumor

tumor

noun

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

Origin of tumor

Middle English tumour from Latin tumor from tumēre to swell ; see teuə- in Indo-European roots.

Related Forms:

tu′mor·al tu′mor·ous
adjective

THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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MLA Style

"tumor." YourDictionary, n.d. Web. 18 April 2019. <https://www.yourdictionary.com/Tumor>.

APA Style

tumor. (n.d.). Retrieved April 18th, 2019, from https://www.yourdictionary.com/Tumor

See neoplasm See Note at cancer

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MLA Style

"tumor." YourDictionary, n.d. Web. 18 April 2019. <https://www.yourdictionary.com/Tumor>.

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tumor. (n.d.). Retrieved April 18th, 2019, from https://www.yourdictionary.com/Tumor

Noun

(plural tumors)

(oncology, pathology) An abnormal growth; differential diagnosis includes abscess, metaplasia, and neoplasia.

Usage notes

Tumor is the standard US spelling and an alternative spelling in Canada. Tumour is the standard modern spelling elsewhere.

Origin

From Old French tumour, from Latin tumor (“swelling"), from tumeÅ (“I bulge, swell"). English usage attested since the 16th century.

English Wiktionary. Available under CC-BY-SA license.

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Cite this page

MLA Style

"tumor." YourDictionary, n.d. Web. 18 April 2019. <https://www.yourdictionary.com/Tumor>.

APA Style

tumor. (n.d.). Retrieved April 18th, 2019, from https://www.yourdictionary.com/Tumor

tumor - Medical Definition

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: a plant tumor.

Related Forms: