nanomedicineEnglishOxford Dictionary of Englishnanomedicine /ˈnanə(ʊ)ˌmɛd(ɪ)s(ɪ)n / ▸ noun [mass noun] the branch of medicine concerned with the use of nanotechnology: scientists are working on various types of nanoparticles for use in nanomedicine, especially to diagnose and treat cancer.