air cleaner

American  

noun

1. a filtering device for removing impurities from air.

   Many cars have air cleaners with replaceable filters.

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air cleaner British  

noun

1. Also called: air filter.  a filter that prevents dust and other particles from entering the air-intake of an internal-combustion engine

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Etymology

Origin of air cleaner

First recorded in 1925–30

Example Sentences

"That way your air-con system is less likely to be a source of infection and irritation and more likely to actually make the air cleaner."

From BBC • Aug. 31, 2025

You might consider using portable high-efficiency air cleaner in a room where you spend the most time.

From Los Angeles Times • Jan. 8, 2025

"In other words, all the efforts for the past 20 years by the EPA to make our air cleaner basically have been lost in fire-prone areas and downwind regions. We are losing ground."

From Science Daily • Dec. 4, 2023

The streets are quieter than those of the bustling capital, the air cleaner and the pace of life half a beat slower.

From New York Times • Nov. 25, 2023

The silk was finer, the air cleaner, the rice sweeter, the fields more fertile, the girls prettier, the boys stronger when he was a young man.

From "Dragonwings" by Laurence Yep