[jer-ee-a-triks, jeer-]
noun (used with a singular verb)
the branch of medicine dealing with the diseases, debilities, and care of aged persons.
the study of the physical processes and problems of aging; gerontology.

1905–10; see geriatric, -ics

geriatrician [jer-ee-uh-trish-uhn] , geriatrist, noun Unabridged


[jer-ee-a-trik, jeer-] ,
of or pertaining to geriatrics, old age, or aged persons.
Slang. an old person.

1925–30; < Greek gér(ōn) old man + -iatric Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
geriatric (ˌdʒɛrɪˈætrɪk)
1.  of or relating to geriatric medicine or to older people
2.  offensive (of people or machines) old, obsolescent, worn out, or useless
3.  old-fashioned, offensive an elderly person
4.  informal, offensive an older person considered as one who may be disregarded as senile or unable to look after his or her own best interests
[C20: from Greek gēras old age + iatric]

geriatrics (ˌdʒɛrɪˈætrɪks)
(functioning as singular) Compare gerontology the branch of medical science concerned with the diagnosis and treatment of diseases affecting older people
usage  The term geriatric medicine is often used nowadays in preference to geriatrics

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1909, formed in Eng. from Gk. geras "old age" (from PIE base *gere- "to grow old;" cf. Skt. jarati "makes frail, causes to age") + iatrikos "of a physician," from iatros, related to iasthai "heal, treat," of uncertain origin. Geriatrics was coined 1909 by Ignatz L. Nascher (1863-1944) in "New York Medical
Journal" on the model of pediatrics. The correct formation would be gerontiatrics.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

geriatric ger·i·at·ric (jěr'ē-āt'rĭk)

  1. Of or relating to geriatrics.

  2. Of or relating to old age or to the aging process.

An old person.

geriatrics ger·i·at·rics (jěr'ē-āt'rĭks)
The branch of medicine that deals with the diagnosis and treatment of diseases and problems specific to old age. Also called presbyatrics.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
geriatrics   (jěr'ē-āt'rĭks)  Pronunciation Key 
The branch of medicine that deals with the diagnosis and treatment of diseases and conditions of the elderly.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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