hemangioblastoma

noun
hem·​an·​gio·​blas·​to·​ma | \ ˌhē-ˌman-jē-ō-(ˌ)blas-ˈtō-mə How to pronounce hemangioblastoma (audio) \
variants: or chiefly British haemangioblastoma
plural hemangioblastomas also hemangioblastomata\ -​mət-​ə How to pronounce hemangioblastomata (audio) \

Medical Definition of hemangioblastoma

: a hemangioma especially of the cerebellum that tends to be associated with von Hippel-Lindau disease