Definition of octogenarianism in English:
octogenarianism
noun ˌɒktədʒɪˈnɛːrɪənɪz(ə)m
The state or fact of being an octogenarian.
Origin
Late 19th century; earliest use found in Congregationalist. From octogenarian + -ism.
Definition of octogenarianism in US English:
octogenarianism
nounˌɒktədʒɪˈnɛːrɪənɪz(ə)m
The state or fact of being an octogenarian.
Origin
Late 19th century; earliest use found in Congregationalist. From octogenarian + -ism.