oligoastrocytoma
noun
ol·i·go·as·tro·cy·to·ma
| \ ˈä-li-gō-ˌa-strə-sī-ˈtō-mə, ˈō-, ə-ˈli-gə-
\
\
plural oligoastrocytomas
Medical Definition of oligoastrocytoma
: 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