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circuit breaker

noun

Simple meaning

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

Pronunciation

Say it like this:

surkuhtbrayker

Say the bold part a little louder.

US device voice
IPA pronunciation (US)

ˈsɝkətbˈɹeɪkɚ

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

noun

  1. electricity

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

  2. electricity

    More specifically, a circuit breaker that automatically breaks overcurrent conditions; a type of overcurrent protective device.

  3. chiefly singapore

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

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: (electricity) An electrical switch capable of opening and closing an electrical circuit in all operating conditions, including fault situations.

Used this way, circuit breaker is a specialist word that usually carries little praise or criticism of its own. This is an engineering use: it is a working term used for accuracy on the job.

Emotional tone
Neutral
Formality
Specialist/technical
Intensity
Not strongly marked
How common
Specialized
Connotation
Clinical and technical
Usage feel
Technical and specialized

Where it naturally appears

  • Technical/specialist writing
  • Science

Usage note

In general conversation this sense usually needs explaining — outside its field, people reach for a plainer word.

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.