circuit breaker

noun

: a switch that automatically interrupts the current of an overloaded electric circuit

Examples of circuit breaker in a Sentence

Recent Examples on the Web

Think of these like the ultra-sensitive circuit breakers in your home. — Jasmine Garland, The Conversation, 7 July 2026

This is the sixth time that circuit breaker was activated this year, according to local media outlet Chosun. — Justina Lee,alex Harring, CNBC, 6 July 2026

To protect their downside, leaders can implement circuit breakers, establish structural redundancies, and operate proactively. — Julian Hayes Ii, Forbes.com, 1 July 2026

Neural pathways controlling core bodily functions — feeling in the limbs, movement and breathing — were collapsing one by one, like circuit breakers tripping in rapid succession. — Mike Hixenbaugh, NBC news, 30 June 2026

Word History

First Known Use

1872, in the meaning defined above

Rhymes for circuit breaker

• automaker
• boilermaker
• cabinetmaker
• coffeemaker
• troublemaker
• undertaker
• blackacre
• caretaker
• clockmaker
• dressmaker
• filmmaker
• homemaker

Kids Definition

circuit breaker

noun

: a switch that automatically stops the flow of electric current in an overloaded circuit