We're working on a new site. Click here to get a sneak preview.
Medical Dictionary


noun on·co·cy·to·ma
plural on·co·cy·to·mas also on·co·cy·to·ma·ta \-mət-ə\

Medical Definition of ONCOCYTOMA

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

Variants of ONCOCYTOMA

on·co·cy·to·ma also on·ko·cy·to·ma \ˌäŋ-kō-sī-ˈtō-mə\


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears