era

1 of 2

noun

ˈer-ə 

ˈe-rə,

ˈir-ə 

1

a

: a fixed point in time from which a series of years is reckoned

b

: a memorable or important date or event

especially : one that begins a new period in the history of a person or thing

2

: a system of chronological notation computed from a given date as basis

3

a

: a period identified by some prominent figure or characteristic feature

the era of the horse and buggy

b

: a stage in development (as of a person or thing)

c

: a large division of geologic time usually shorter than an eon

Paleozoic era

ERA

2 of 2

abbreviation

1

earned run average

2

Equal Rights Amendment

Synonyms

Noun

• age
• day
• epoch
• period
• time

Choose the Right Synonym for era

period, epoch, era, age mean a division of time.

period may designate an extent of time of any length.

periods of economic prosperity

epoch applies to a period begun or set off by some significant or striking quality, change, or series of events.

the steam engine marked a new epoch in industry

era suggests a period of history marked by a new or distinct order of things.

the era of global communications

age is used frequently of a fairly definite period dominated by a prominent figure or feature.

the age of Samuel Johnson

Examples of era in a Sentence

Noun

the era of the horse and buggy

We're just now entering an era of great prosperity.

His death marks the end of an era.

Recent Examples on the Web

Noun

Now the Trump administration ushered in a new era of immigration raids, fewer protections from the city and the new fear that churches could be targeted by immigration officials. —Eduardo Cuevas, USA Today, 20 Apr. 2025

Now, advocates say President Trump's second term has ushered in a new era of fear for adoptees without citizenship. —Juliana Kim, NPR, 19 Apr. 2025

Netflix’s new era: margins over members This quarter also marked a symbolic shift. —Catherine Baab, Quartz, 18 Apr. 2025

Russia has relied on Soviet-era equipment, pulling old tanks from storage and even from museums and tweaking the vehicles wherever possible. —Faisal Kutty, Newsweek, 11 Mar. 2025

Word History

Etymology

Noun

Late Latin aera, from Latin, counters, plural of aer-, aes copper, money — more at ore

First Known Use

Noun

1615, in the meaning defined at sense 1a

Phrases Containing era

• Christian era
• Islamic era
• Muslim era
• vulgar era

Rhymes for era

• cara
• naira
• narra
• sara
• sarah
• sclera
• terra
• vera
• verra
• antisera
• cladocera
• hemiptera

Kids Definition

era

noun

ˈir-ə  ˈer-ə 

ˈē-rə

1

: a period of time beginning with some special date or event

the Christian era

2

: an important or outstanding period of history

the Revolutionary era

3

: one of the five major divisions of geologic time

Paleozoic era