gerontologyPronunciation: /ˌdʒɛrənˈtɒlədʒi/Definition of gerontology noun [mass noun] the scientific study of old age, the process of ageing, and the particular problems of old people. Derivatives gerontologicalPronunciation: /-təˈlɒdʒɪk(ə)l/ adjective gerontologist noun Origin: early 20th century: from Greek gerōn, geront- 'old man' + -logygerontology in other Oxford dictionaries Definition of gerontology in the US English dictionary
