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) \

Definition of astrocytoma

: a nerve-tissue tumor composed of astrocytes

Examples of astrocytoma in a Sentence

Recent Examples on the Web Visits to doctors led to an MRI and an anaplastic astrocytoma diagnosis. Bryan Marquard,, "After a cancer diagnosis, Jane Wallis Gumble, 65, kept leading the state’s Department of Housing and Community Development," 19 Jan. 2020 Tia has been diagnosed with an aggressive astrocytoma, a type of brain tumor that is in a difficult place. Roxana Robinson, New York Times, "Christie Watson Is a Lovely Writer — and, Judging From This Book, a Gifted Nurse," 27 June 2018 That analysis gave a name to our monster: anaplastic astrocytoma. Beth Kassab,, "Brain cancer: Words no one wants to hear," 23 May 2018 On September 1, Kevin Siggins was diagnosed with a brain tumor known as an astrocytoma, later confirmed to be a grade 4. Ryan Connors, ajc, "Watch cancer patient’s reaction when James Franklin offers him Penn State tickets," 18 Nov. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'astrocytoma.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of astrocytoma

1901, in the meaning defined above

History and Etymology for astrocytoma

New Latin

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Time Traveler for astrocytoma

Time Traveler

The first known use of astrocytoma was in 1901

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Cite this Entry

“Astrocytoma.” Dictionary, Merriam-Webster, Accessed 2 Mar. 2021.

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More Definitions for astrocytoma


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) \

Medical Definition of astrocytoma

: a nerve-tissue tumor composed of astrocytes

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