Definitions for: Era


[n] a major division of geological time; an era is usually divided into two or more periods
[n] a period marked by distinctive character or reckoned from a fixed point or event



Webster (1913) Definition: E"ra, n.; pl. Eras. [LL. aera an era, in earlier usage,
the items of an account, counters, pl. of aes, aeris, brass,
money. See Ore.]
1. A fixed point of time, usually an epoch, from which a
series of years is reckoned.

The foundation of Solomon's temple is conjectured by
Ideler to have been an era. --R. S. Poole.

2. 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).

The first century of our era. --M. Arnold.

3. A period of time in which a new order of things prevails;
a signal stage of history; an epoch.

Painting may truly be said to have opened the new
era of culture. --J. A.
Symonds.

Syn: Epoch; time; date; period; age; dispensation. See
Epoch.



The era in use in all Christian countries, which was intended
to commence with the birth of Christ. The era as now
established was first used by Dionysius Exiguus (died about
540), who placed the birth of Christ on the 25th of December
in the year of Rome 754, which year he counted as 1 a. d.
This date for Christ's birth is now generally thought to be
about four years too late.

Synonyms: epoch, geological era

See Also: aeon, age, Age of Mammals, Age of Reptiles, Archaeozoic, Archaeozoic era, Archean, Archean era, Archeozoic, Archeozoic era, Cenozoic, Cenozoic era, Christian Era, Common Era, day, eon, geologic time, geological period, geological time, historic period, Mesozoic, Mesozoic era, modern era, Paleozoic, Paleozoic era, period, period of time, Precambrian, Precambrian period, Preoterozoic era, Proterozoic, time period

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