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air cleaner

American  

noun

  1. a filtering device for removing impurities from air.

    Many cars have air cleaners with replaceable filters.


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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of air cleaner

First recorded in 1925–30

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

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

The wall makes the air cleaner -- and cleans itself at the same time.

From Science Daily Mar. 25, 2024

“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.”

From Salon Dec. 5, 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

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