From King Dictionary of Contemporary English
Related topics: Sociology, Medicine
gerontologyger‧on‧tol‧o‧gy /ˌdʒerɒnˈtɒlədʒi $ ˌdʒerənˈtɑː-/ noun [uncountable] SSMthe scientific study of old age and its effects on the bodygeriatricsgerontologist noun [countable]gerontological /dʒəˌrɒntəˈlɒdʒɪkəl◂ $ -ˌrɑːntəˈlɑː-/ adjective
Examples from the Corpus
gerontologySpecialized practice, particularly child care, metal health, gerontology and residential work.Sue Punton, the senior sister at the hospital's gerontology department believes that essential oils help geriatric patients in several ways.
Origin gerontology (1900-2000) Greek geron old man + English -ology