How do you use the word "era" in a sentence?

Here are real-life examples of using "era": The revolution ushered in a new era. We are in the era of atomic energy.

Era Meaning

/ˈɪə.ɹə/

Definition, CEFR level B2, pronunciation, examples, and quiz.

Definition

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

nounA geochronologic unit of tens to hundreds of millions of years; a subdivision of an eon, and subdivided into periods.

Sentence Examples

The revolution ushered in a new era.

We are in the era of atomic energy.

Synonyms & Antonyms

Synonyms:

epoch

Antonyms:

None

CEFR Practice Quiz

The digital ____ transformed how people communicate and access information worldwide.

CEFR Practice Quiz (Alternate)

The invention of the internet marked the beginning of a new ____ in communication.

Word Origin & History

Etymology tree Late Latin aerabor. English era Borrowed from Late Latin aera.

Literary Quotations & Historical Citations

"Even in an era when individuality in dress is a cult, his clothes were noticeable. He was wearing a hard hat of the low round kind favoured by hunting men, and with it a black duffle-coat lined with white." — 1963, Margery Allingham, chapter 6, in The China Governess: A Mystery, London: Chatto & Windus, →OCLC:

"In an era when political leaders promise deliverance from decline through America’s purported preeminence in scientific research, the news that science is in deep trouble in the United States has been as unwelcome as a diagnosis of leukemia following the loss of health insurance." — 2012 January 26, Philip E. Mirowski, “Harms to Health from the Pursuit of Profits”, in American Scientist, volume 100, number 1, archived from the original on 04 Apr 2012, page 87:

"Taylor, listed at 6-foot-3 and 230 pounds, went 0-1 with a 1.01 ERA in 15 games for Birmingham. He struck out 37 in 26 2/3 innings." — 2025 June 11, “White Sox pitching prospect Grant Taylor makes jump from Double-A to perfect major league debut”, in Associated Press, archived from the original on 12 Jun 2025:

"ERA meant the equality of women, to those who urgently sought it, to those who abhorred it, and to those who found it obvious if not entirely redundant." — 1983, Catharine A. MacKinnon, “Excerpts from MacKinnon/Schlafly Debate”, in Minnesota Journal of Law & Inequality, volume 1, number 2:

"This Article argues that Congress can recognize the ERA as part of the Constitution despite the expiration of the ratification deadline in 1982. But Congress should not do so until there is no doubt that thirty-eight states have ratified the ERA." — 2019 September 30, Gerard N. Magliocca, “BURIED ALIVE: THE REBOOT OF THE EQUAL RIGHTS AMENDMENT”, in RUTGERS UNIVERSITY LAW REVIEW, volume 71, archived from the original on 06 Oct 2025, page 634:

Explore More B2 Vocabulary Words