aerator

noun

aer·​a·​tor ˈer-ˌā-tər How to pronounce aerator (audio)
: 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.
For an easy water-saving upgrade that doesn’t require replacing pre-existing fixtures, install faucet accessories like aerators that also save water and money without compromising performance. — Nafeesah Allen, Better Homes & Gardens, 10 Aug. 2026 Most people use a core aerator or hire a service to aerate the entire lawn. — Brandee Gruener, Southern Living, 7 Aug. 2026 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 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

Rhymes for aerator

See All Rhymes for aerator

Browse Nearby Words

aeration
aerator
aerenchyma
See all Nearby Words

Cite this Entry

“Aerator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aerator. Accessed 19 Aug. 2026.

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Medical Definition

aerator

noun
aer·​a·​tor ˈa(-ə)r-ˌāt-ər, ˈe(-ə)r- How to pronounce aerator (audio)
: one that aerates
especially : an apparatus for aerating something (as sewage)
Last Updated: - Updated example sentences
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