: one that aerates
especially : an apparatus for aerating something (such as sewage)

Examples of aerator in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Other simple upgrades, like installing low-flow showerheads and faucet aerators, can reduce water consumption, while insulating exposed hot water pipes helps keep water warmer for longer and improves efficiency. Lauren Jarvis-Gibson july 29, Sacbee.com, 29 July 2026 Check the Aerator Another common culprit for localized issues is a clogged faucet aerator, Green explains. Caroline Lubinsky, Martha Stewart, 26 June 2026 That’s probably why the influencer chose to tow the cephalopod in a tank riding on a skateboard, complete with what appears to be a wireless aerator to supply the critter with oxygen. Joe Wilkins, Futurism, 4 June 2026 Soak the aerator parts in a cup of straight white vinegar for 30 minutes to an hour. Daley Quinn, Southern Living, 23 May 2026 See All Example Sentences for aerator

Word History

Etymology

aerate + -or entry 1

First Known Use

1844, in the meaning defined above

Time Traveler
The first known use of aerator was in 1844

Browse Nearby Words

Cite this Entry

“Aerator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aerator. Accessed 9 Aug. 2026.

Medical Definition

: one that aerates
especially : an apparatus for aerating something (as sewage)
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