Geriatrics

[jer-ee-a-triks, jeer-] /ˌdʒɛr iˈæ trɪks, ˌdʒɪər-/

noun, (used with a singular verb)
1.
the branch of medicine dealing with the diseases, debilities, and care of aged persons.
2.
the study of the physical processes and problems of aging; gerontology.
[jer-ee-a-trik, jeer-] /ˌdʒɛr iˈæ trɪk, ˌdʒɪər-/
adjective
1.
of or relating to , old age, or aged persons.
noun
2.
Slang. an old person.
/ˌdʒɛrɪˈætrɪks/
noun
1.
(functioning as sing) the branch of medical science concerned with the diagnosis and treatment of diseases affecting older people Compare gerontology
/ˌdʒɛrɪˈætrɪk/
adjective
1.
of or relating to geriatric medicine or to older people
2.
(offensive) (of people or machines) old, obsolescent, worn out, or useless
noun
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
n.

coined 1909 by Austrian-born doctor Ignatz L. Nascher (1863-1944) in “New York Medical Journal” on the model of pediatrics (cf. -ics), from the same elements found in geriatric (q.v.). The correct formation would be gerontiatrics.
adj.

1909, formed in English from Greek geras, geros “old age” (from PIE root *gere- “to grow old” (see gerontology) + iatrikos “of a physician,” from iatros (see -iatric).

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

geriatric ger·i·at·ric (jěr’ē-āt’rĭk)
adj.

n.
An old person.
geriatrics
(jěr’ē-āt’rĭks)
The branch of medicine that deals with the diagnosis and treatment of diseases and conditions of the elderly.