PRONUNCIATION: (jer-uh-TOL-uh-jee))

MEANING: noun:
1. The study of aging and related decline.
2. The study of a species approaching extinction.

ETYMOLOGY: From Greek gerat- (old age) + -logy (study). Earliest documented use: 1884.

GER-OTOLOGY - the study of ear disorders in the elderly

GERMATOLOGY - the study of skin infections

VERATOLOGY - the study of Truthiness

GEARATOLOGY - the study of mechanical interactions

GYRATOLOGY - the study of spinning