Dictionary

ERA en · NOUN

Meanings

1. (abbreviation, alt-of, countable, initialism, uncountable) Initialism of Earth rotation angle (the rotation of the Earth from the Celestial Intermediate Origin that has no instantaneous motion along the equator.)
   alt of Earth rotation angle
2. (abbreviation, alt-of, countable, initialism, uncountable) Initialism of earned run average, a baseball statistic.
   alt of earned run average
   • 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:
3. (abbreviation, alt-of, countable, initialism, uncountable) Initialism of electrically reconfigurable array.
   alt of electrically reconfigurable array
4. (abbreviation, alt-of, countable, initialism, uncountable) Initialism of explosive reactive armor.
   alt of explosive reactive armor
5. (UK, abbreviation, alt-of, countable, initialism, uncountable) Initialism of engine room artificer, a Royal Navy position.
   alt of engine room artificer

Forms

ERA en · PROPN

Meanings

1. (European-Union, abbreviation, alt-of, initialism) Initialism of European Railway Agency, called today the European Union Agency for Railways.
   alt of European Railway Agency
2. (US, abbreviation, alt-of, initialism) Initialism of Equal Rights Amendment, a proposed amendment to the US Constitution.
   alt of Equal Rights Amendment
   • 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:
3. (abbreviation, alt-of, initialism) Initialism of Employment Rights Act.
   alt of Employment Rights Act