oligoastrocytoma

noun

ol·​i·​go·​as·​tro·​cy·​to·​ma ˈä-li-gō-ˌa-strə-sī-ˈtō-mə, ˈō-, ə-ˈli-gə- 

plural oligoastrocytomas

: a brain tumor that is composed of glial tissue containing both oligodendrocytes and astrocytes and that occurs chiefly in the frontal and temporal lobes of the cerebrum see mixed glioma