scintigraphyPronunciation: /sɪnˈtɪgrəfi/Definition of scintigraphy noun [mass noun] Medicine a technique in which a scintillation counter or similar detector is used with a radioactive tracer to obtain an image of a bodily organ or a record of its functioning. Derivatives scintigraphic adjective Origin: 1950s: from scintillation + -graphyscintigraphy in other Oxford dictionaries Definition of scintigraphy in the US English dictionary