uninterruptible power supply

noun

A device or system that almost instantaneously provides emergency power in the case that main power fails.

Similar
uninterruptible power sourceUPS
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Meanings

noununinterruptible power supply (plural uninterruptible power supplies)

plural uninterruptible power supplies

  1. businessA device or system that almost instantaneously provides emergency power in the case that main power fails.

    This upgrade comes after the installation of a $50,000 uninterruptible power supply system to compliment the facilities independent power supply.

    2018 June 24, Gloucester Advocate
    1 more example

    Examples of emergency power supplies include a storage battery or group of batteries, a generator driven by a fuel-supplied prime mover, or an uninterruptible power supply (UPS) […].

    2009, Geoff Craighead, High-Rise Security and Fire Life Safety, page 357

    Synonyms: uninterruptible power source, UPS

Synonyms & antonyms

nounA device or system that almost instantaneously provides emergency power in the case that main power fails.

Similar
uninterruptible power sourceUPS

Translations

Danish nødstrømsanlæg
  • nødstrømsanlægTranslations
Finnish keskeytymätön virransyöttö
  • keskeytymätön virransyöttöTranslations
French onduleur, alimentation sans interruption
  • onduleurTranslations
  • alimentation sans interruptionTranslations
  • alimentation statique sans coupureTranslations
German unterbrechungsfreie Stromversorgung
  • unterbrechungsfreie StromversorgungTranslations
Greek σύστημα αδιάλειπτης τροφοδοσίας, αδιάλειπτη παροχή ενέργειας
  • σύστημα αδιάλειπτης τροφοδοσίας (sýstima adiáleiptis trofodosías)Translations
  • αδιάλειπτη παροχή ενέργειας (adiáleipti parochí enérgeias)Translations
Indonesian pasokan daya takterputus, catu daya tak terputus
  • pasokan daya takterputusTranslations
  • catu daya tak terputusTranslations
  • suplai power tanpa selaTranslations
Italian gruppo di continuità
  • gruppo di continuitàTranslations
Malay bekalan kuasa tanpa gangguan
  • bekalan kuasa tanpa gangguanTranslations
Polish zasilacz awaryjny, zasilacz bezprzerwowy
  • zasilacz awaryjnyTranslations
  • zasilacz bezprzerwowyTranslations
Portuguese fonte de alimentação ininterrupta, UPS
  • fonte de alimentação ininterruptaTranslations
  • UPSTranslations
  • no-breakTranslations
  • nobreakTranslations
  • no breakTranslations
Spanish sistema de alimentación ininterrumpida
  • sistema de alimentación ininterrumpidaTranslations
Cite this entry
APA

uninterruptible power supply. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/uninterruptible%20power%20supply

MLA

“uninterruptible power supply.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/uninterruptible%20power%20supply. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “uninterruptible power supply,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/uninterruptible%20power%20supply.

Source: uninterruptible power supply on Wiktionary, CC BY-SA 4.0.