erg

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erg¹

  • /ɜːɡ/ UK
  • /ɝɡ/ US

Rhymes with -ɜː(ɹ)ɡ

Where it comes from

From Ancient Greek ἔργον (érgon, “work”). Doublet of ergon and work.

noun ergs

  1. A unit of work or energy, being the amount of work done by a force of one dyne applied through a distance of one centimeter. Equal to 10⁻⁷ joules.

erg²

  • /ɜːɡ/ UK
  • /ɝɡ/ US

Rhymes with -ɜː(ɹ)ɡ

Where it comes from

From French erg, from Algerian Arabic, from Arabic عِرْق (ʕirq).

noun ergs · areg

  1. A large desert region of sand dunes with little or no vegetation, especially in the Sahara.

erg³

  • /ɜːɡ/ UK
  • /ɝɡ/ US

Rhymes with -ɜː(ɹ)ɡ

Where it comes from

Shortening.

noun ergs

  1. slang An ergometer.

verb ergs · erging · erged

  1. intransitive, slang, transitive To use an ergometer. I erg every morning.

ERG⁴

noun ERGs

  1. abbreviation, initialism Initialism of electron-releasing group
  2. abbreviation, initialism Initialism of employee resource group
  3. abbreviation, initialism Initialism of electroretinogram

Similar: EDG · Opposite: EWG

proper noun

  1. UK, abbreviation, initialism Initialism of European Research Group (“Eurosceptic/pro-Brexit publicly funded political activist group subdivision of the UK Conservatives”). John Major struggled endlessly with Eurosceptics he termed “bastards”, while May’s nemesis was the European Research Group, or ERG, the longstanding alliance of Brexit ultras.

Thesaurus

noun

Similar: EDG · Opposite: EWG

Translations

Every language

noun unit of work or energy

Españolergio
日本語エルグ erugu
中文爾格 /尔格 ěrgé
Françaiserg
Ελληνικάέργιο érgio
Русскийэрг erg
العربيةإرج
עבריתארג

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Cite this
MLA

"erg." Wiktionary, via Micwyn, micwyn.com/word/erg. Accessed 6 Nov. 2026.

APA

erg. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/erg

Chicago

"erg." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/erg.

BibTeX
@misc{erg_2026,
  title = {erg},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/erg},
  urldate = {2026-11-06}
}