geratology
n.
"study of decadence" in a species, etc., 1884, from Greek geras (genitive geratos) "old age" (see geriatric) + -logy. Related: Geratologic.
| 词汇 | geratology | 
| 词根词缀 | Online Etymology Dictionary geratology n. "study of decadence" in a species, etc., 1884, from Greek geras (genitive geratos) "old age" (see geriatric) + -logy. Related: Geratologic. | 
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