astrocytoma

noun

as·​tro·​cy·​to·​ma ˌa-strə-sī-ˈtō-mə 

plural astrocytomas also astrocytomata ˌa-strə-sī-ˈtō-mə-tə 

: a nerve-tissue tumor composed of astrocytes

Examples of astrocytoma in a Sentence

Recent Examples on the Web

Doctors informed him that the tumor, known as an astrocytoma, was the size of a blueberry and was located in his left frontal lobe. — Joey Nolfi, Entertainment Weekly, 2 Sep. 2026

Low-grade astrocytomas are more common in children, while high-grade astrocytomas, such as glioblastoma, tend to grow and spread within the brain and spinal cord quickly and are more common in adults. — Angeline Jane Bernabe, ABC News, 28 Aug. 2026

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

Word History

Etymology

astrocyte + -oma

First Known Use

1901, in the meaning defined above

Rhymes for astrocytoma

• glioblastoma
• leiomyoma
• meningioma
• neuroblastoma
• adenocarcinoma
• choriocarcinoma
• pheochromocytoma
• ambystoma
• atheroma
• carcinoma
• coloboma
• granuloma

Medical Definition

astrocytoma

noun

as·​tro·​cy·​to·​ma ˌas-trə-sī-ˈtō-mə 

plural astrocytomas also astrocytomata -mət-ə 

: a nerve-tissue tumor composed of astrocytes