EA

See also: Appendix:Variations of "ea"

Translingual

Etymology 1

From E (“exa-”) +‎ A (“ampere”).

Symbol

EA

  1. (metrology) Symbol for exaampere, an SI unit of electrical current equal to 1018 amperes.

Etymology 2

Symbol

EA

  1. (international standards) Exceptionally reserved ISO 3166-1 alpha-2 country code for Ceuta and Melilla.
Usage notes

This is an exceptionally reserved code, included as part of ISO 3166-1 on the request of the World Customs Organization for the purpose of demarcating a part of Spain that is not part of the European Union Customs Union, and is not endorsed for general use by the ISO outside of that purpose.

English

Noun

EA (countable and uncountable, plural EAs)

  1. Initialism of executive assistant.
  2. Initialism of estate agent.
  3. (US) Initialism of enrolled agent.
  4. (Canada) Initialism of educational assistant.
  5. (organic chemistry) Initialism of ethyl acetate.
    • 2006, Gordon L. Robertson, “Structure and Related Properties of Plastic Polymers”, in Food Packaging: Principles and Practice, 2nd edition, CRC Press, →ISBN, page 25:
      For copolymers of ethylene, the other comonomer can be an alkene such as propene, butene, hexene or octene, or a compound having a polar functional group such as vinyl acetate (VA), acrylic acid (AA), ethyl acetate (EA), methyl acrylate (MA) or vinyl alcohol (VOH).
  6. (law) Initialism of environmental assessment.
    Coordinate term: EIS
    • 2024 August 19, “LAKETOWN 115-kV TRANSMISSION LINE PROJECT IN CARVER COUNTY, MN”, in Great River Energy‎[1], page 23:
      After the EA is issued, a public hearing and associated public comment period will be held to again solicit public input and to create an administrative record.
  7. (computing) Initialism of enterprise architecture.
  8. (computing, biology) Initialism of evolutionary algorithm.
  9. (philosophy) Initialism of effective altruism.
    • 2022 September 9, Theodore Leinwand, “Neartermism and longtermism aren’t at odds”, in The Washington Post‎[2], archived from the original on 29 May 2025:
      […] Christine Emba’s Sept. 6 op-ed, “The trouble with ‘longtermism,’ ” countered this philosophy’s occasional fanaticism with glib reductiveness. Moreover, she tarred with the same brush the spirit of the entire effective altruism (EA) movement — the giveaway at the start is that EA is derided for being “obsessed with ‘doing good better.’ ”
    • 2022 December 9, Jennifer Szalai, “Effective Altruism Warned of Risks. Did It Also Incentivize Them?”, in The New York Times‎[3], archived from the original on 9 December 2022:
      This is the language of effective altruism — or E.A. — a philanthropic movement premised on the use of reason and data to do good. Bankman-Fried had long flaunted his E.A. bona fides to distinguish himself from other crypto billionaires.
    • 2025, Karen Hao, Empire of AI, New York City: Penguin Press, →ISBN:
      EA, to which many in OpenAI’s Safety clan were early adherents, made for the perfect Silicon Valley ideology. It preaches making the world a better place and doing it with rigorous logic, being disciplined enough to focus on the far future instead of the present, and fervently embracing the principles of capitalism and libertarianism—all in the name of morality.
  10. (philosophy) Initialism of effective altruist.
    • 2024 March 18, Andrew Marantz, “О.К., Doomer”, in The New Yorker, page 50:
      In November, 2022, when ChatGPT was released, [Sam] Bankman-Fried, the richest and most famous effective altruist, was unmasked as a generational talent at white-collar crime. Many E.A.s now disavow the label: I interviewed people who had attended E.A. conferences, lived in E.A. group houses, and admitted to being passionate about both effectiveness and altruism, but would not cop to being E.A.s themselves.

Proper noun

EA

  1. Initialism of Environment Agency.
  2. (Islam) Initialism of Eid al-Adha.
  3. Initialism of East Africa.
  4. (video games) Initialism of Electronic Arts.
    • 2021 February 1, Rishi Iyengar, “Google will stop making video games for its Stadia platform”, in CNN Business‎[4]:
      Jade Raymond, the executive in charge of SG&E who previously worked at Sony (SNE), Electronic Arts (EA) and Ubisoft (UBSFF), will leave Google (GOOG) to “pursue other opportunities,” Harrison added.

Anagrams

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