era
/ˈɪə.ɹə/ noun
Forms eras aera æra
- noun A time period of indeterminate length, generally more than one year.
- noun (geology) A geochronologic unit of tens to hundreds of millions of years; a subdivision of an eon, and subdivided into periods.
- noun (informal) An indefinite period of time in one’s life characterized by a particular interest.
Synonyms
age epoch period cycle day generation Great Year interval Platonic year time geological era earned run average
Etymology
Borrowed from Late Latin aera.
Webster’s 1913
- noun A fixed point of time, usually an epoch, from which a series of years is reckoned.
- noun A period of time reckoned from some particular date or epoch; a succession of years dating from some important event; as, the era of Alexander; the era of Christ, or the Christian era (see under Christian).
Etymology [LL. aera an era, in earlier usage, the items of an account, counters, pl. of aes, aeris, brass, money. See Ore.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “era”, CC BY-SA 4.0. Details