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wastewater

noun

waste·​wa·​ter ˈwāst-ˌwȯ-tər How to pronounce wastewater (audio)
-ˌwä-
: water that has been used (as in a manufacturing process) : sewage

Examples of wastewater 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.
Southern Water, which provides water and wastewater services to millions of customers across a swath of southern England, uses bio-beads at five of its plants. Kara Fox, CNN Money, 29 Nov. 2025 In organic-rich radioactive wastewater, the electrode accumulated more than 9,000 milligrams of uranium per gram of material over 450 hours of continuous operation, ranking among the highest values reported for electrochemical uranium extraction systems, according to the release. Prabhat Ranjan Mishra, Interesting Engineering, 27 Nov. 2025 The review found six months could be eliminated from the Tijuana River Gates project to replace more than 23,000 feet of deteriorating wastewater pipes, and three months from the rehabilitation of a critical pump station. Walker Armstrong, San Diego Union-Tribune, 26 Nov. 2025 Rates are high in the Northeast and Midwest region, according to wastewater data. Kaan Ozcan, NBC news, 26 Nov. 2025 See All Example Sentences for wastewater

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of wastewater was in the 15th century

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Cite this Entry

“Wastewater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wastewater. Accessed 2 Dec. 2025.

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