circuit breaker

1. 1.

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

   Synonymsbreaker

   Broaderfuse

Questions about circuit breaker

What does circuit breaker mean?

circuit breaker means "a device that trips like a switch and opens the circuit when overloaded".

What is another word for circuit breaker?

Close synonyms include breaker. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is circuit breaker a common word?

circuit breaker is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.