glioblastoma
noun
glio·blas·to·ma
ˌglī-ō-ˌbla-ˈstō-mə 
variants
or less commonly glioblastoma multiforme
plural glioblastomas also glioblastomata
ˌglī-ō-ˌbla-ˈstō-mə-tə
or glioblastomas multiforme or glioblastoma multiformes
or glioblastomas multiforme or glioblastoma multiformes
: a malignant rapidly growing astrocytoma of the central nervous system and usually of a cerebral hemisphere
Examples of glioblastoma in a Sentence
Recent Examples on the Web
Love was diagnosed with glioblastoma in 2022 and at the time was given up to 15 months to live.
—
Lauren Irwin, The Hill, 24 Mar. 2025
Her death follows a 2023 diagnosis of glioblastoma, an aggressive form of brain cancer.
—Cara Lynn Shultz, People.com, 20 Jan. 2025
Cellphone and Wi-Fi radiation causes the fast-growing brain cancer known as glioblastoma.
—Chicago Tribune, 1 Jan. 2025
While the statement did not cite a cause of death, Love's daughter had previously said on social media that she had been diagnosed with a glioblastoma, an aggressive form of brain cancer.
—Eric Lagatta, USA TODAY, 24 Mar. 2025
See All Example Sentences for glioblastoma
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Lauren Irwin, The Hill, 24 Mar. 2025
Her death follows a 2023 diagnosis of glioblastoma, an aggressive form of brain cancer.
—Cara Lynn Shultz, People.com, 20 Jan. 2025
Cellphone and Wi-Fi radiation causes the fast-growing brain cancer known as glioblastoma.
—Chicago Tribune, 1 Jan. 2025
While the statement did not cite a cause of death, Love's daughter had previously said on social media that she had been diagnosed with a glioblastoma, an aggressive form of brain cancer.
—Eric Lagatta, USA TODAY, 24 Mar. 2025
See All Example Sentences for glioblastoma
Cite this Entry
“Glioblastoma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glioblastoma. Accessed 19 Apr. 2025.
Copy CitationMedical Definition
glioblastoma
noun
glio·blas·to·ma
ˌglī-(ˌ)ō-bla-ˈstō-mə
plural glioblastomas also glioblastomata
-mət-ə
: a malignant rapidly growing astrocytoma of the central nervous system and usually of a cerebral hemisphere
Glioblastoma is the worst grade of malignant glioma, a relatively uncommon but deadly class of brain tumors that kills 97% of those diagnosed within 5 years.—Greg Miller, Science
Greg Miller, Sciencecalled also glioblastoma multiforme
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