define: gerontology
Freebase(0.00 / 0 votes)Rate this definition: Gerontology is the study of the social, psychological and biological aspects of aging. It is distinguished from geriatrics, which is the branch of medicine that studies the diseases of older adults.
Wiktionary(0.00 / 0 votes)Rate this definition: gerontology(Noun) the study of the elderly, and of the aging process itself. gerontology(Noun) the branch of science that deals with the problems of aged people. It is to be distinguished from geriatrics, which is the study of the diseases of the elderly.