meningioma

noun

me·​nin·​gi·​o·​ma mə-ˌnin-jē-ˈō-mə How to pronounce meningioma (audio)
plural meningiomas also meningiomata mə-ˌnin-jē-ˈō-mə-tə How to pronounce meningioma (audio)
: a slow-growing encapsulated typically benign tumor arising from the meninges and often causing damage by pressing upon the brain and adjacent parts

Examples of meningioma in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The tumor was benign and had meningioma. — Chris Hoffman, CBS News, 9 May 2026 In other parts of the world, a meningioma risk warning has already been added to the drug’s label. — Zinhle Essamuah, NBC news, 16 Dec. 2025 Six of the cases are meningiomas, two are gliomas, two are pituitary adenomas, and one is a schwannoma of the optic nerve. — Rick Sobey, Boston Herald, 14 June 2026 The strongest lower-risk signals were for endometrial cancer, ovarian cancer, and meningioma (a type of brain cancer). — Elise M. Brett, EverydayHealth.com, 26 June 2026 See All Example Sentences for meningioma

Word History

Etymology

New Latin

First Known Use

1922, in the meaning defined above

Time Traveler
The first known use of meningioma was in 1922

Rhymes for meningioma

See All Rhymes for meningioma

Browse Nearby Words

meninges
meningioma
meningitis
See all Nearby Words

Cite this Entry

“Meningioma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/meningioma. Accessed 7 Jul. 2026.

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Medical Definition

meningioma

noun
me·​nin·​gi·​o·​ma mə-ˌnin-jē-ˈō-mə How to pronounce meningioma (audio)
plural meningiomas also meningiomata -ˈō-mət-ə How to pronounce meningioma (audio)
: a slow-growing encapsulated tumor arising from the meninges and often causing damage by pressing upon the brain and adjacent parts

More from Merriam-Webster on meningioma

Britannica.com: Encyclopedia article about meningioma

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