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

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Additionally, the cost of recycled water is increasing by 23% this year and wastewater costs are scheduled to rise by 3% each year from 2028 through 2030, according to a staff report. Julie Gallant, San Diego Union-Tribune, 23 Jan. 2026 Eco effort The island grows thousands of exotic flowers, plants, and trees in its own nursery and uses wastewater to irrigate common land, and all beaches on the island are protected nesting areas for the endangered hawksbill turtle. Rosalyn Wikeley, Condé Nast Traveler, 22 Jan. 2026 In 1979, Tribal land was also the site of the second-largest accidental release of radioactive material in history, after a wastewater pond burst near Church Rock, New Mexico. Zak Podmore, Denver Post, 21 Jan. 2026 Antibiotics enter the wastewater stream in the form of urine from patients who are taking the drugs, or simply even when patients dispose of unused medication by flushing it down the toilet. New Atlas, 21 Jan. 2026 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 26 Jan. 2026.

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