IPA: /ˌdʒɛrənˈtɒlədʒɪkəl/
KK: /ˌdʒɛrənˈtɑlədʒɪkəl/
Relating to the study of aging and the issues that affect older adults.
The gerontological research focuses on improving the quality of life for seniors.
Gerontological → It is formed from "geron" (from Greek "gerōn", meaning old man) and "-logy" (from Greek "logia", meaning study of). The word refers to the study of aging and the elderly.
Think of 'geron' meaning old man and '-logy' meaning study — gerontological is the study of aging and the elderly.