lymphangiographyPronunciation: /ˌlɪmfandʒɪˈɒgrəfi/Definition of lymphangiography noun [mass noun] Medicine X-ray examination of the vessels of the lymphatic system after injection of a substance opaque to X-rays. Derivatives lymphangiogram noun lymphangiographic adjective lymphangiography in other Oxford dictionaries Definition of lymphangiography in the US English dictionary