glioblastoma multiforme

noun

glioblastoma mul·​ti·​for·​me -ˌməlt-ə-ˈfȯrm-ē 

: glioblastoma

Glioblastoma multiforme is the most common and most deadly primary brain tumor. It is a complex disease, in which many signaling pathways are disrupted.

—Markus Bredal et al., The New England Journal of Medicine