clean room

noun

ˈklēn-ˌrüm How to pronounce clean room (audio)
-ˌru̇m
: 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
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.
Labs that specialize in ancient DNA have high-tech clean rooms to minimize contamination. Veronique Greenwood, Time, 24 Oct. 2025 The 4-billion-Euro ($4.62-billion USD) mission is being put through its paces in a Netherlands clean room, after engineers bolted together the back of the spacecraft with a module combining the sunshield and solar panels. Elizabeth Howell, Space.com, 16 Oct. 2025 The clean room should be able to be closed securely, and not be used for cooking or heating. Andrea Riquier, USA Today, 3 Oct. 2025 Vacuum And Mop Floors Vacuum the floors and mop them for a perfectly clean room. Daley Quinn, Southern Living, 26 Sep. 2025 See All Example Sentences for clean room

Word History

First Known Use

1961, in the meaning defined above

Time Traveler
The first known use of clean room was in 1961

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Cite this Entry

“Clean room.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/clean%20room. Accessed 31 Oct. 2025.

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