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.
Soak the aerator parts in a cup of straight white vinegar for 30 minutes to an hour. Daley Quinn, Southern Living, 23 May 2026 Prepare the Planting Location To prepare your planting site for clover, dethatch your existing lawn with a metal rake or detacher, and also consider aerating the soil with a soil aerator. Lauren Landers, Better Homes & Gardens, 16 May 2026 The city provides filters, but others can be purchased online. Run the cold tap for three minutes before using the water and regularly clean the faucet aerator. Drink and cook using only cold water. Joey Schamber, jsonline.com, 6 May 2026 Add fountains or aerators to ponds. Ryan Brennan april 30, Charlotte Observer, 30 Apr. 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 1 Jun. 2026.

Medical Definition

aerator

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