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wastewater

American  
[weyst-waw-ter, -wot-er] / ˈweɪstˌwɔ tər, -ˌwɒt ər /

noun

  1. water that has been used in washing, flushing, manufacturing, etc.; sewage.


Etymology

Origin of wastewater

1400–50; late Middle English waste watre

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Over the past two decades, Sin City has cut its water consumption by a third, by promoting wastewater recycling and restricting lawn watering and swimming pool sizes.

From Barron's Aug. 27, 2026

Once the rare earth concentrate has been extracted from the wastewater, the individual elements must then be separated out and processed.

From Barron's Aug. 22, 2026

Mayor Bozzo countered that Amazon has promised to build a pipeline, on its own dime, to bring wastewater to the data center.

From The Wall Street Journal Aug. 7, 2026

The US has 152,000 public drinking water systems and more than 16,000 wastewater treatment facilities.

From BBC Aug. 4, 2026

Although a decontamination process could remove some of the radioactive isotopes from the water, it couldn’t clean all of it, so most of the wastewater was stored in tanks.

From "Meltdown" by Deirdre Langeland

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