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tumour

British  
/ 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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of tumour

C16: from Latin, from tumēre to swell

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

When she questioned multiple scans that did not seem to show evidence of a tumour, she says the consultant told her it would not be "visible to the naked eye".

From BBC Sep. 13, 2026

A fourth tumour was discovered in 2024, which required radiotherapy.

From BBC Sep. 8, 2026

As Hibbert's tumour began to press on his optic nerves, it narrowed his peripheral vision.

From BBC Aug. 26, 2026

It allowed them to safely remove as much of the tumour as possible.

From BBC Aug. 26, 2026

Not just because it’s Ashbury, although the place itself is bad enough, a 1960s new town, spreading like a tumour over the heart of Buckinghamshire.

From "The Girl on the Train" by Paula Hawkins

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