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mesothelioma

American  
[mez-uh-thee-lee-oh-muh, mes-, mee-zuh-, -suh-] / ˌmɛz əˌθi liˈoʊ mə, ˌmɛs-, ˈmi zə-, -sə- /

noun

Pathology.
mesotheliomas, plural mesotheliomata plural
  1. a malignant tumor of the covering of the lung or the lining of the pleural and abdominal cavities, often associated with exposure to asbestos.


mesothelioma British  
/ ˌmɛzəʊˌθiːlɪˈəʊmə /

noun

  1. a tumour of the epithelium lining the lungs, abdomen, or heart: often associated with exposure to asbestos dust

"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 mesothelioma

First recorded in 1905–10; mesotheli(um) + -oma

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.

Mesothelioma is typically associated with exposure to asbestos but, while there is no cure, early access to specialist nursing and coordinated care can make a significant difference.

From BBC • Feb. 19, 2026

"The Gaza rubble is a very, very toxic environment," says Professor Bill Cookson, director of the National Centre for Mesothelioma Research in London.

From BBC • Apr. 24, 2025

Mesothelioma attorneys have been charging anywhere from 25% to 40% for legal services, with the average reward being more than $1 million.

From Washington Times • Nov. 28, 2022

Mesothelioma can be treated but not cured, and life expectancy after diagnosis is typically one to two years.

From New York Times • Sep. 29, 2022

About 85% of cases of Mesothelioma in men are attributable to asbestos exposure in the workplace according to the Health & Safety Executive.

From BBC • Dec. 1, 2021

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