aer·​a·​tor | \ ˈer-ˌā-tər How to pronounce aerator (audio) \

Definition of aerator

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

Examples of aerator in a Sentence

Recent Examples on the Web Airstone-type bubbling aerators are effective, but they should be supplemented with a jug of ice in hot weather. Bob Mcnally, Field & Stream, "The Ultimate Guide to Catching and Keeping Saltwater Live Bait," 2 Jan. 2020 Another lesson for that homeowner was learning to remove a small circular screen inside the faucet’s end, called the aerator. Bill Laitner, Detroit Free Press, "Detroit passes Michigan's stricter tests for lead contaminated water," 19 Nov. 2019 More recently, devices called aerators became popular. Dave Mcintyre, Washington Post, "Decanting demystified: When your wine needs to breathe and what to do about it," 11 Oct. 2019 The kits come with freebies including dimmable LED light bulbs, a water-saving, low-flow shower head and two faucet aerators, plus weatherstripping to seal leaks in windows and doors. San Diego Union-Tribune, "La Mesa offering energy saving tool kits with freebies," 19 Sep. 2019 For reducing water usage, the building features low-flow water fixtures, flow-restrictors, and aerators. Ivana Hrynkiw |, al, "New UAB College of Arts and Sciences opens for fall semester," 15 Aug. 2019 Cocktails include such nautical specialties as The Perfect Storm and the Sea Foam Dream, which uses a novel bartending tool — a fish tank aerator — to foam up fruit juice. Rand Richards Cooper,, "Review: Brizo in Rocky Hill," 10 July 2019 The good news: Cleaning faucet aerators is surprisingly simple to do. Heather Finn, Good Housekeeping, "Your Kitchen Faucet Aerator Is Probably Full of All Kinds of Gunk," 27 June 2019 Pro tip: Make sure your sink has a removable aerator—you'll need to take it off to attach the faucet adapter. Alyssa Fiorentino, House Beautiful, "This Black + Decker Portable Washing Machine Might Be The Best Thing That's Ever Happened to Me," 3 May 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'aerator.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of aerator

1844, in the meaning defined above

History and Etymology for aerator

aerate + -or entry 1

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Time Traveler for aerator

Time Traveler

The first known use of aerator was in 1844

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Statistics for aerator

Last Updated

16 Jan 2020

Cite this Entry

“Aerator.” Dictionary, Merriam-Webster, Accessed 23 Feb. 2020.

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More Definitions for aerator


aer·​a·​tor | \ ˈa(-ə)r-ˌāt-ər, ˈe(-ə)r- How to pronounce aerator (audio) \

Medical Definition of aerator

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

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Rhyming Dictionary: Words that rhyme with aerator

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