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

---

Etymology

Origin of air cleaner

First recorded in 1925–30

Example Sentences

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

From Science Daily • Mar. 25, 2024

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

From Los Angeles Times • Dec. 12, 2023

“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