clean room

\ˈklēn-ˌrüm, -ˌru̇m\

Definition of clean room 

: a room for the manufacture or assembly of objects (such as precision parts) that is maintained at a high level of cleanliness by special means

Examples of clean room in a Sentence

The microchips are manufactured in a clean room.

Recent Examples on the Web

The partnership with Applied Materials will be housed in the NanoFab X, a massive clean room space that was built for a now-defunct chip research consortium. Jimmy Vielkind, WSJ, "Gov. Cuomo Steers $250 Million to SUNY Poly," 15 Nov. 2018 All workers must wear full-body clean room suits, the air is filtered to prevent any bacteria from sneaking in, and the spacecraft and all other equipment are regularly sprayed with an industrial solvent. Avery Thompson, Popular Mechanics, "It Turns Out Bacteria Can Eat the Chemicals NASA Puts on Spacecraft to Kill Them," 6 June 2018 To prevent that from happening, NASA manufactures its spacecraft in the most rigorous of clean rooms. Avery Thompson, Popular Mechanics, "It Turns Out Bacteria Can Eat the Chemicals NASA Puts on Spacecraft to Kill Them," 6 June 2018 Most of the victims were hotel housekeepers attacked while cleaning rooms. Washington Post, "Police, FBI seeking Washington-area serial rapist," 19 June 2018 Image Two people sharing a bright, clean room: Kazuki, a still, silent man in stocking feet, and Honoka, a cheerful, chatty, barefoot woman who roams the space, tracing and retracing the minutiae of her memories — or maybe his. Laura Collins-hughes, New York Times, "Review: After the Earthquake, a ‘Room’ Haunted by Memories," 21 May 2018 Kamenetz and his running mate, Valerie Ervin, tried to clean rooms alongside hotel employees. Doug Donovan,, "Kevin Kamenetz's sudden death ends steady rise in Baltimore County, Maryland politics," 10 May 2018 But a new study suggests that a clean room storing meteorite samples at NASA’s Johnson Space Center (JSC) in Houston, Texas, may not be quite so clean, after all. Adam Mann, Science | AAAS, "NASA ‘clean’ room is contaminated with fungus," 23 Mar. 2018 The Vineyard Harbor Motel offers clean rooms, some with kitchens, a private beach, and is an easy 10-minute walk to downtown (508-693-3334,, starting at $179)., "A real spring break for families," 4 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'clean room.' 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 clean room

1961, in the meaning defined above

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Last Updated

23 Nov 2018

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Time Traveler for clean room

The first known use of clean room was in 1961

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More Definitions for clean room

clean room


English Language Learners Definition of clean room

: a room that is kept extremely clean so that certain products can be made in it

More from Merriam-Webster on clean room

Rhyming Dictionary: Words that rhyme with clean room Encyclopedia article about clean room

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