Gerontology
Part of speech: noun
Definition: the study of the elderly, and of the aging process itself. 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. Gerontology covers the social, psychological and biological aspects of aging.
Geriatrics
Part of speech: noun
Definition: The branch of medicine that focuses on health promotion and the prevention and treatment of disease and disability in later life. The term itself can be distinguished from gerontology, which is the study of the aging process itself.; old people.