me·​so·​the·​li·​o·​ma ˌme-zə-ˌthē-lē-ˈō-mə How to pronounce mesothelioma (audio)
plural mesotheliomas also mesotheliomata ˌme-zə-ˌthē-lē-ˈō-mə-tə How to pronounce mesothelioma (audio)
: a usually malignant tumor derived from mesothelial tissue (such as that lining the peritoneum or pleura)

Examples of mesothelioma in a Sentence

Recent Examples on the Web The second bankruptcy filing — in which LTL agreed to pay an $8.9 billion settlement to address mesothelioma cancer lawsuits — was rejected months later in July 2023. Charna Flam, Peoplemag, 2 May 2024 The remaining personal injury cases are related to claims that the company’s talc products caused mesothelioma and will be resolved outside of this plan. Bruce Gil, Quartz, 1 May 2024 It was brought by the estate of Mary Diana Moe, 79, who died of mesothelioma in December 2022. Amy Beth Hanson, Fortune, 9 Apr. 2024 Inhaling asbestos fibers, even in small amounts, can cause irreversible scarring of the lungs as well as malignant mesothelioma. Coral Davenport, New York Times, 18 Mar. 2024 Wells said he was diagnosed with mesothelioma in late 2019 after feeling an ache in his back and developing a serious cough. Amy Beth Hanson, Fortune, 9 Apr. 2024 Both died of mesothelioma, a rare lung cancer caused by asbestos that is disproportionately common in Libby. Matthew Brown and Amy Beth Hanson, Quartz, 7 Apr. 2024 Asbestos exposure can cause multiple types of cancers, including mesothelioma and lung cancer. Syeda Khaula Saad, Verywell Health, 22 Mar. 2024 Exposure to asbestos is known to cause lung cancer, mesothelioma and other cancers, and it is linked to more than 40,000 deaths in the U.S. each year. Matthew Daly, Quartz, 18 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'mesothelioma.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


New Latin

First Known Use

circa 1899, in the meaning defined above

Time Traveler
The first known use of mesothelioma was circa 1899

Dictionary Entries Near mesothelioma

Cite this Entry

“Mesothelioma.” Dictionary, Merriam-Webster, Accessed 21 May. 2024.

Medical Definition


me·​so·​the·​li·​o·​ma ˌmez-ə-ˌthē-lē-ˈō-mə, ˌmēz-, ˌmēs-, ˌmes- How to pronounce mesothelioma (audio)
plural mesotheliomas also mesotheliomata -mət-ə How to pronounce mesothelioma (audio)
: a tumor derived from mesothelial tissue (as that lining the peritoneum or pleura)

More from Merriam-Webster on mesothelioma

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