air-break switch

noun

: an electrical switch that breaks the circuit in air compare oil-break switch

Word History

First Known Use

1901, in the meaning defined above

Time Traveler
The first known use of air-break switch was in 1901

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near air-break switch

Cite this Entry

“Air-break switch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/air-break%20switch. Accessed 29 Mar. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!