air cleaner


Definition of air cleaner

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

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!

First Known Use of air cleaner

1893, in the meaning defined above

Keep scrolling for more

Learn More about air cleaner

Time Traveler for air cleaner

Time Traveler

The first known use of air cleaner was in 1893

See more words from the same year

Statistics for air cleaner

Cite this Entry

“Air cleaner.” Dictionary, Merriam-Webster, Accessed 28 Oct. 2020.

Comments on air cleaner

What made you want to look up air cleaner? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Here Be Dragons: A Creature Identification Quiz

  • monster werewolf photo
  • Which is a synonym of werewolf?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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