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
Chris Olsen, senior vice president of North American operations at logistics company Priority1 in Little Rock, has died after a battle with glioblastoma, an aggressive form of brain cancer.
—
Arkansas Online, 7 Feb. 2026
Only about 10% percent of glioblastoma patients live more than five years after diagnosis, according to the University of Texas' MD Anderson Cancer Center.
—CBS News, 7 Feb. 2026
The last few months Jones and her children – Kayin, 16, and twins Clara and Uche, 13 – have been adjusting to life as a family of four since her husband's death in May at 45 after being diagnosed with glioblastoma.
—Erin Jensen, USA Today, 4 Feb. 2026
The startup, Altido Therapeutics, is trying to commercialize a CAR-T cell therapy developed at Massachusetts General Hospital (MGH) for glioblastoma, a nearly always fatal brain tumor.
—Jason Mast, STAT, 28 Jan. 2026
See All Example Sentences for glioblastoma
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.
Arkansas Online, 7 Feb. 2026
Only about 10% percent of glioblastoma patients live more than five years after diagnosis, according to the University of Texas' MD Anderson Cancer Center.
—CBS News, 7 Feb. 2026
The last few months Jones and her children – Kayin, 16, and twins Clara and Uche, 13 – have been adjusting to life as a family of four since her husband's death in May at 45 after being diagnosed with glioblastoma.
—Erin Jensen, USA Today, 4 Feb. 2026
The startup, Altido Therapeutics, is trying to commercialize a CAR-T cell therapy developed at Massachusetts General Hospital (MGH) for glioblastoma, a nearly always fatal brain tumor.
—Jason Mast, STAT, 28 Jan. 2026
See All Example Sentences for glioblastoma
Cite this Entry
“Glioblastoma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glioblastoma. Accessed 12 Feb. 2026.
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
Love words? Need even more definitions?
Merriam-Webster unabridged
