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geratology

American  
[jer-uh-tol-uh-jee] / ˌdʒɛr əˈtɒl ə dʒi /

noun

Biology.

  1. the study of the diminution or decline of life, as in an individual animal or a species approaching extinction.

geratology British  
/ ˌdʒɛrəˈtɒlədʒɪ, ˌdʒɛrətəˈlɒdʒɪkəl /

noun

  1. the branch of medicine concerned with the elderly and the phenomena associated with ageing; geriatrics and gerontology

"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

Other Word Forms

  • geratologic adjective
  • geratological adjective
  • geratologist noun
  • geratologous adjective

Etymology

Origin of geratology

1880–85; gerat- (erroneously taken as the stem of Greek gêras old age) + -o- + -logy

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.