air cleaner

noun

: any of various devices for removing impurities (as suspended particles) from air (as by filtering, washing, or electrostatic precipitation)

Word History

First Known Use

1893, in the meaning defined above

Time Traveler
The first known use of air cleaner was in 1893

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

  1. Expanded definitions
  2. Detailed etymologies
  3. Advanced search tools
  4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now

Dictionary Entries Near air cleaner

Cite this Entry

“Air cleaner.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/air%20cleaner. Accessed 7 Dec. 2024.

Love words? Need even more definitions?

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