# circuit breaker

> English word · Noun

## Definitions
1. An electrical switch capable of opening and closing an electrical circuit in all operating conditions, including fault situations.
2. More specifically, a circuit breaker that automatically breaks overcurrent conditions; a type of overcurrent protective device.
3. Synonym of trading curb.
4. Quarantine measures intended to prevent spread of pandemics, especially COVID-19.
5. A design pattern used to detect failures and prevent them from constantly recurring.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/circuit-breaker