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[jer-uh n-tol-uh-jee, jeer-] /ˌdʒɛr ənˈtɒl ə dʒi, ˌdʒɪər-/

the branch of science that deals with aging and the problems of aged persons.
the scientific study of ageing and the problems associated with older people Compare geriatrics

1903, coined in English from Greek geron (genitive gerontos) “old man,” from PIE root *gere- “to become ripe, grow old” (cf. Sanskrit jara “old age,” jarati “makes frail, causes to age;” Avestan zaurvan “old age;” Ossetic zarond “old man;” Armenian cer “old, old man”).

gerontology ger·on·tol·o·gy (jěr’ən-tŏl’ə-jē)
The scientific study of the biological, psychological, and sociological phenomena that are associated with old age and aging.
ger’on·tol’o·gist n.

A medical specialty that focuses on the care and treatment of the elderly.

Note: The large number of aging “baby boomers” has increased both the profile and importance of this specialty.


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  • Gerontomorphosis

    [juh-ron-tuh-mawr-fuh-sis] /dʒəˌrɒn təˈmɔr fə sɪs/ noun 1. Biology. evolutionary specialization of a species to a degree that decreases its capability for further adaptation and eventually leads to its extinction.

  • Gerontophilia

    noun a love for old people Word Origin geronto- ‘elderly’

  • Gerontophobia

    [juh-ron-tuh-foh-bee-uh] /dʒəˌrɒn təˈfoʊ bi ə/ noun 1. a fear of old people. 2. a fear of old age, especially of growing old. noun a fear of getting old or old age Word Origin geronto- ‘elderly’

  • Gerontoxon

    gerontoxon ger·on·tox·on (jěr’ŏn-tŏk’sŏn’, -sən) n. See arcus cornealis.

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