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tumor
[ too-mer, tyoo- ]
/ Ėtu mÉr, Ėtyu- /
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This shows grade level based on the word's complexity.
noun
a swollen part; swelling; protuberance.
an uncontrolled, abnormal, circumscribed growth of cells in any animal or plant tissue; neoplasm.
Archaic.
- inflated pride; haughtiness.
- pompous language; bombast.
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Also especially British, tuĀ·mour .
Origin of tumor
First recorded in 1535ā45; from Latin: āa swelling, swollen state,ā equivalent to tum(Äre) āto swellā + -or noun suffix (see -or1)
OTHER WORDS FROM tumor
Words nearby tumor
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, Ā© Random House, Inc. 2023
How to use tumor in a sentence
Scientific definitions for tumor
tumor
[ tÅÅā²mÉr ]
See neoplasm. See Note at cancer.
The American HeritageĀ® Science Dictionary
Copyright Ā© 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for tumor
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.
The New Dictionary of Cultural Literacy, Third Edition
Copyright Ā© 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.