ampere-hour

noun

a unit of electric charge, equal to the charge transferred by a current of one ampere in one hour through a specified point in a circuit, equal to 3600 coulombs.

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Meanings

nounampere-hour (plural ampere-hours)

plural ampere-hours

  1. natural sciencesa unit of electric charge, equal to the charge transferred by a current of one ampere in one hour through a specified point in a circuit, equal to 3600 coulombs.

Synonyms & antonyms

Also see
amp-hour

Origin

established 1880-85, from ampere + hour.

Full word history & related roots →

Translations

Catalan ampere hora
  • ampere horaunit of electric charge
Czech ampérhodina
  • ampérhodinaunit of electric charge
Estonian ampertund
  • ampertundunit of electric charge
Finnish ampeeritunti
  • ampeerituntiunit of electric charge
French ampère-heure
  • ampère-heureunit of electric charge
German Amperestunde
  • Amperestundeunit of electric charge
Greek αμπερώριο
  • αμπερώριο (amperório)unit of electric charge
Irish aimpéaruair
  • aimpéaruairunit of electric charge
Italian amperora
  • amperoraunit of electric charge
Polish amperogodzina
  • amperogodzinaunit of electric charge
Portuguese ampere-hora, ampère-hora
  • ampere-horaunit of electric charge
  • ampère-horaunit of electric charge
Romanian amper-oră
  • amper-orăunit of electric charge
Russian ампе́р-час
  • ампе́р-час (ampér-čas)unit of electric charge
Turkish amper-saat
  • amper-saatunit of electric charge
Ukrainian ампер-година
  • ампер-година (amper-hodyna)unit of electric charge
Cite this entry
APA

ampere-hour. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/ampere-hour

MLA

“ampere-hour.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ampere-hour. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “ampere-hour,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/ampere-hour.

Source: ampere-hour on Wiktionary, CC BY-SA 4.0.