air cleaner

noun

1. a filtering device for removing impurities from air.

   Many cars have air cleaners with replaceable filters.

air cleaner

noun

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

Word History and Origins

Origin of air cleaner¹

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."

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

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This can be a desired effect because it makes the air cleaner for a while -- but over time, the colour changes and needs to be renewed.

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An odor reducing air cleaner, right, also runs inside the home.

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"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."

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