air-cleaner

air cleaner

noun
a filtering device for removing impurities from air: Many cars have air cleaners with replaceable filters.

Origin:
1925–30

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
air cleaner
 
n
Also called: air filter a filter that prevents dust and other particles from entering the air-intake of an internal-combustion engine

Collins English Dictionary - Complete & Unabridged 10th Edition
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