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wastewater

American  
[wayst-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:

The remaining portion would be allocated to upgrading local water, wastewater and electrical infrastructure.

From MarketWatch ● Oct. 30, 2026

BioFiltro, a company founded in Chile, puts red wigglers in a bed of chips to purify wastewater from dairy stalls.

From Los Angeles Times ● Oct. 21, 2026

Damac has told the city that it won’t discharge into the wastewater or groundwater, the city spokeswoman said.

From The Wall Street Journal ● Oct. 20, 2026

Kyiv residents have already seen their taps run dry and this, plus the ability to take away wastewater, is causing public health fears.

From Barron's ● Oct. 20, 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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