air cleaner

noun

1. a filtering device for removing impurities from air:

   Many cars have air cleaners with replaceable filters.

air cleaner

noun

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

Word History and Origins

Origin of air cleaner¹

First recorded in 1925–30

Example Sentences

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.

From Science Daily

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

From Los Angeles Times

"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

“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

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