astrocytoma

noun

: a nerve-tissue tumor composed of astrocytes

Examples of astrocytoma 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.
In October 2024, Mitch was diagnosed with an aggressive, grade four brain tumor called an astrocytoma. Vanessa Etienne, PEOPLE, 16 July 2026 In September 2021, she was diagnosed with Grade III anaplastic astrocytoma—a brain tumor that develops from a slower-growing mass and becomes more aggressive. Lucy Notarantonio, MSNBC Newsweek, 18 Aug. 2025 Fast forward to now - I have been diagnosed with #diffusemidlineglioma, an extremely rare type of #astrocytoma #cancer. Stephanie Giang-Paunon, FOXNews.com, 6 Aug. 2025 Mack announced in January that she had been diagnosed with diffuse midline glioma, an extremely rare type of astrocytoma cancer. Marlene Lenthang, NBC news, 6 Aug. 2025 See All Example Sentences for astrocytoma

Word History

Etymology

astrocyte + -oma

First Known Use

1901, in the meaning defined above

Time Traveler
The first known use of astrocytoma was in 1901

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Cite this Entry

“Astrocytoma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/astrocytoma. Accessed 2 Aug. 2026.

Medical Definition

astrocytoma

noun
plural astrocytomas also astrocytomata -mət-ə How to pronounce astrocytoma (audio)
: a nerve-tissue tumor composed of astrocytes
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