oncometer

noun
on·​com·​e·​ter | \ äŋ-ˈkäm-ət-ər, än- How to pronounce oncometer (audio) \

Medical Definition of oncometer

: an instrument for measuring variations in size or volume of the internal organs of the body

Other Words from oncometer

oncometric \ ˌäŋ-​kə-​ˈme-​trik How to pronounce oncometric (audio) \ adjective