gerontology
/ˌdʒerɒnˈtɒlədʒɪ/noun
mass noun
- the scientific study of old age, the process of ageing, and the particular problems of old people老年学, 老人学, 老年医学。
派生词
gerontological
adjectivegerontologist
noun词源
early 20th cent.: from Greek gerōn, geront- 'old man' + -LOGY.