ger‧on‧tol‧o‧gy /ˌdʒerɒnˈtɒlədʒi $ ˌdʒerənˈtɑː-/
noun [uncountable][
Date: 1900-2000;
Language: Greek;
Origin: geron 'old man' + English -ology]
the scientific study of old age and its effects on the body ⇒
geriatrics—gerontologist noun [countable]—gerontological /dʒəˌrɒntəˈlɒdʒɪk
əl◂ $ -ˌrɑːntəˈlɑː-/
adjective [TahlilGaran] Dictionary of Contemporary English ▲