era

noun

A time period of indeterminate length, generally more than one year.

(informal) An indefinite period of time in one’s life characterized by a particular interest.

(geology) A geochronologic unit of tens to hundreds of millions of years; a subdivision of an eon, and subdivided into periods.

(baseball) Initialism of earned run average, a baseball statistic. [(baseball) A statistic in baseball which equals the number of earned runs allowed per nine innings pitched.]

(US politics) Initialism of Equal Rights Amendment, a proposed amendment to the US Constitution.

(astrometry) Initialism of Earth rotation angle (the rotation of the Earth from the Celestial Intermediate Origin that has no instantaneous motion along the equator.)

(European Union, railways) Initialism of European Railway Agency, called today the European Union Agency for Railways.

(electronics) Initialism of electrically reconfigurable array.

(military) Initialism of explosive reactive armor.

(UK, military) Initialism of engine room artificer, a Royal Navy position.

Roots

aeraera- · Latin · epoch, number

Synonyms for era

epochn agen timen daysn

Synonyms & related words for era

Find synonyms, related words, and the definition of era — including epoch, age, time, days. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to era

Explore words related to era — words associated with it, words that go with it, and its nearest matches in meaning. Related words include coetaneous, period, heyday, nineties, floruit, decade, eighties, seventies. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for era

Common synonyms for era include epoch, age, time, days — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does era come from?

The word era breaks down into one root of Latin origin: the root era-, from Latin aera (“epoch, number”). Explore each root to see other English words built from the same source.