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.
Once in landfills or wastewater treatment plants, that waste breaks down and emits greenhouse gases. Melissa Fleur Afshar, MSNBC Newsweek, 31 Oct. 2025 Developed by researchers from Dalhousie University, the innovative method offers a new way to reuse wastewater sustainably. Prabhat Ranjan Mishra, Interesting Engineering, 30 Oct. 2025 These eco-labs range from fuel-testing centers to complex wastewater treatment plants and include developing AI and software solutions, to reduce fuel consumption and food waste, and even using robots for better energy efficiency and waste management. Fran Golden, AFAR Media, 29 Oct. 2025 The institute also launched a wastewater surveillance project, geared at monitoring and anticipating disease trends in communities. Maggie Menderski, Louisville Courier Journal, 26 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 5 Nov. 2025.

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