Dictionary

octogenarian

noun oc·to·ge·nar·i·an \ˌäk-tə-jə-ˈner-ē-ən\

: a person who is between 80 and 89 years old

Full Definition of OCTOGENARIAN

:  a person whose age is in the eighties
octogenarian adjective

Origin of OCTOGENARIAN

Latin octogenarius containing eighty, from octogeni eighty each, from octoginta eighty, from octo eight + -ginta (akin to viginti twenty) — more at vigesimal
First Known Use: 1815
Medical Dictionary

octogenarian

noun oc·to·ge·nar·i·an \ˌäk-tə-jə-ˈner-ē-ən\

Medical Definition of OCTOGENARIAN

:  a person whose age is in the eighties
octogenarian adjective

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