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

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 An aerator purred bubbles into the cold, clear water. Lynda V. Mapes, The Seattle Times, "Hand-feeding a wild orca: Inside the practice run to save the ailing killer whale J50," 6 Aug. 2018 Be Water Smart A simple hardware store doo-dad called an aerator on your kitchen (or bath) faucet cuts down on water consumption, sacrificing very little if any water pressure. Suzanne Morrissey, ELLE Decor, "11 Ways to Go Green in your Kitchen," 12 Jan. 2010 Twist an inexpensive, low-flow aerator onto the tip of your kitchen faucet. Jessica Press, Redbook, "10 Tips to Be Green without Trying Too Hard," 13 Apr. 2011 Baffle curtains and aerators were added to the lagoon to improve treatment results. Dennis Pillion,, "Sewage problems still plague Uniontown after $4.8 million in repairs," 20 Apr. 2018 The channels created by the aerator allow air, water and nutrients to penetrate to the grass roots. Calvin Finch, San Antonio Express-News, "Don’t fertilize your lawn ... yet. It’s compost time," 9 Mar. 2018

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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Statistics for aerator

Last Updated

17 Jul 2019

Look-up Popularity

Time Traveler for aerator

The first known use of aerator was in 1844

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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)

More from Merriam-Webster on aerator

Rhyming Dictionary: Words that rhyme with aerator

Comments on aerator

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something desired as essential

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