- the study of the diminution or decline of life, as in an individual animal or a species approaching extinction.
Origin of geratology
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for geratology
Geratology, jer-at-ol′o-ji, n. the science of the phenomena of decadence.
- the branch of medicine concerned with the elderly and the phenomena associated with ageing; geriatrics and gerontology
C19: from gerato-, from Greek gēras old age + -logy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for geratology
Online Etymology Dictionary, © 2010 Douglas Harper