Phrase guide

circuit breaker

noun · 6 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

An electrical switch capable of opening and closing an electrical circuit in all operating conditions, including fault situations.

Definition source: English Wiktionary via Wiktextract

Topics: business, electrical-engineering, electricity, electromagnetism, energy, engineering, natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

An electrical switch capable of opening and closing an electrical circuit in all operating conditions, including fault situations.

A circuit breaker that automatically breaks overcurrent conditions; a type of overcurrent protective device.

Definition source: English Wiktionary via Wiktextract

Topics: business, electrical-engineering, electricity, electromagnetism, energy, engineering, natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Synonym of trading curb.

Definition source: English Wiktionary via Wiktextract

Topics: business, finance

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: trading curb

Antonyms: none provided

4

noun

Meaning 4

Quarantine measures intended to prevent spread of pandemics, especially COVID-19.

Definition source: English Wiktionary via Wiktextract

Usage: Singapore

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A design pattern used to detect failures and prevent them from constantly recurring.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, programming, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

a device that trips like a switch and opens the circuit when overloaded

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: breaker

Antonyms: none provided

Broader terms: fuse, electrical fuse, safety fuse

History

Etymology

No etymology was provided for this word.

Across languages

Translations

53 source translations are retained for this English entry.

  • Catalan: tallacircuit — high-current electrical switch
  • Catalan: disjuntor — high-current electrical switch
  • Chinese Mandarin: 斷路器 /断路器 (duànlùqì) — high-current electrical switch
  • Dutch: zekering — high-current electrical switch
  • Finnish: katkaisin — high-current electrical switch
  • Finnish: katkaisija — high-current electrical switch
  • French: disjoncteur — high-current electrical switch
  • German: Leistungsschutzschalter — high-current electrical switch
  • German: Sicherungsautomat — high-current electrical switch
  • German: Sicherung — high-current electrical switch
  • Greek: διακόπτης κυκλώματος (diakóptis kyklómatos) — high-current electrical switch
  • Hungarian: megszakító — high-current electrical switch
  • Indonesian: pemutus daya — high-current electrical switch
  • Indonesian: pemutus tenaga — high-current electrical switch
  • Indonesian: pemutus sirkit — high-current electrical switch
  • Indonesian: pemutus rangkai — high-current electrical switch
  • Indonesian: pemutus arus — high-current electrical switch
  • Indonesian: pemutus sirkuit — high-current electrical switch
  • Irish: scoradán ciorcaid — high-current electrical switch
  • Irish: réabaire ciorcaid — high-current electrical switch
  • Irish: iamh is oscailt — high-current electrical switch
  • Italian: ruttore — high-current electrical switch
  • Japanese: 遮断器 (shadanki) — high-current electrical switch
  • Korean: 차단기 (chadan'gi) — high-current electrical switch
  • Korean: 두꺼비집 (dukkeobijip) — high-current electrical switch
  • Malay: pemutus litar — high-current electrical switch
  • Māori: katiara — high-current electrical switch
  • Norwegian: effektbryter — high-current electrical switch
  • Polish: bezpiecznik — high-current electrical switch
  • Portuguese: disjuntor — high-current electrical switch
  • Romanian: disjunctor — high-current electrical switch
  • Romanian: separator — high-current electrical switch
  • Romanian: întrerupător — high-current electrical switch
  • Russian: автомати́ческий выключа́тель (avtomatíčeskij vyključátelʹ) — high-current electrical switch
  • Spanish: disjuntor — high-current electrical switch
  • Spanish: disyuntor — high-current electrical switch
  • Spanish: cortacircuitos — high-current electrical switch
  • Spanish: cortacorriente — high-current electrical switch
  • Swedish: effektbrytare — high-current electrical switch
  • Swedish: dvärgbrytare — high-current electrical switch
  • Thai: สะพานไฟ (sà-paan-fai) — high-current electrical switch
  • Turkish: devre kesici — high-current electrical switch
  • Turkish: şalter — high-current electrical switch
  • Vietnamese: cầu dao — high-current electrical switch
  • Vietnamese: aptomat — high-current electrical switch
  • Italian: interruttore magnetotermico — specific type of overcurrent protective device
  • Spanish: disyuntor — specific type of overcurrent protective device
  • Spanish: cortacircuitos — specific type of overcurrent protective device
  • Spanish: cortacorriente — specific type of overcurrent protective device
  • Chinese Mandarin: 阻斷措施 /阻断措施 (zǔduàncuòshī) — quarantine (Singapore)
  • Chinese Mandarin: 阻断措施 (zǔduàncuòshī) — quarantine (Singapore)
  • Malay: pemutus rantaian jangkitan — quarantine (Singapore)
  • Tamil: மின்தடைச் சாதனம் (miṉtaṭaic cātaṉam) — quarantine (Singapore)