We found 19 dictionaries that define the word air cleaner:

General (13 matching dictionaries)

1. air cleaner: Merriam-Webster
2. air cleaner: Oxford Learner's Dictionaries
3. air cleaner: Collins English Dictionary
4. air cleaner: Vocabulary.com
5. air cleaner: Wiktionary
6. air cleaner: Infoplease Dictionary
7. air cleaner: Dictionary.com
8. Air cleaner: Wikipedia, the Free Encyclopedia
9. air cleaner: Rhymezone
10. air cleaner: FreeDictionary.org
11. air cleaner: Mnemonic Dictionary
12. air cleaner: TheFreeDictionary.com
13. air cleaner: Merriam-Webster

Business (1 matching dictionary)

14. Construction Term Glossary (No longer online)

Computing (1 matching dictionary)

15. air cleaner: Encyclopedia

Slang (1 matching dictionary)

16. air cleaner: Urban Dictionary

Tech (3 matching dictionaries)

17. AUTOMOTIVE TERMS (No longer online)
18. Glossary of Woodworking Terms (No longer online)
19. AIR CLEANER: Power Engineering

(Note: See air_cleaners as well.)

Definitions from Wiktionary (air cleaner) ▸ noun:  Any device that filters or otherwise cleans air; an air purifier. Similar: air filter, cleaner, filterer, purificator, smoke eater, airbrusher, airperson, purger, airtist, depurator, more... ▸ Words similar to air cleaner ▸ Usage examples for air cleaner ▸ Idioms related to air cleaner ▸ Wikipedia articles (New!) ▸ Words that often appear near air cleaner ▸ Rhymes of air cleaner ▸ Invented words related to air cleaner