astrocytoma

noun

as·​tro·​cy·​to·​ma ˌa-strə-sī-ˈtō-mə How to pronounce astrocytoma (audio)
plural astrocytomas also astrocytomata ˌa-strə-sī-ˈtō-mə-tə How to pronounce astrocytoma (audio)
: 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.
Burke’s death comes a little more than a week after her family decided to stop her treatment for a grade 4 astrocytoma tumor. — Moira Ritter The Charlotte Observer (tns), al, 1 May 2023 After the surgery, doctors diagnosed her with a grade 2 astrocytoma, also known as a diffuse astrocytoma or low-grade glioma. — Jordan Greene, People.com, 13 Dec. 2024 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

Rhymes for astrocytoma

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Browse Nearby Words

astrocyte
astrocytoma
astrodiagnosis
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Cite this Entry

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

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Medical Definition

astrocytoma

noun
as·​tro·​cy·​to·​ma ˌas-trə-sī-ˈtō-mə How to pronounce astrocytoma (audio)
plural astrocytomas also astrocytomata -mət-ə How to pronounce astrocytoma (audio)
: a nerve-tissue tumor composed of astrocytes
Last Updated: - Updated example sentences
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