oncocytoma

noun
on·​co·​cy·​to·​ma
variants: also onkocytoma \ ˌäŋ-​kō-​sī-​ˈtō-​mə How to pronounce onkocytoma (audio) \
plural oncocytomas also oncocytomata\ -​mət-​ə How to pronounce oncocytomata (audio) \

Medical Definition of oncocytoma

: a tumor (as of the parotid gland) consisting chiefly or entirely of oncocytes