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.
According to the Utah Department of Health and Human Services, wastewater testing shows that the measles virus is more widespread in the state than previously known. Maria Godoy, NPR, 12 Oct. 2025 In Utah, Nolen says that public health officials have a good grasp on where measles is spreading thanks to wastewater monitoring that can capture virus levels beyond official case counts, and where the risk is elevated due to low vaccination rates. Deidre McPhillips, CNN Money, 10 Oct. 2025 The Nobel Committee praised their work for enabling technologies that can separate toxic substances from wastewater and extract water vapor in arid environments. Shane Croucher, MSNBC Newsweek, 10 Oct. 2025 This expansion would generate nearly 78 million gallons of manure and wastewater annually. Anna Kleiber, jsonline.com, 9 Oct. 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 14 Oct. 2025.

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