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[weyst-waw-ter, -wot-er] /ˈweɪstˌwɔ tər, -ˌwɒt ər/
water that has been used in washing, flushing, manufacturing, etc.; sewage.
Origin of wastewater
late Middle English
1400-50; late Middle English waste watre Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for wastewater
  • It can detoxify wastewater, thanks to its high nitrogen consumption.
  • It will use a dry-fermentation process that will not produce wastewater, which would need to be treated.
  • In wastewater pools they give bacteria more space to grow and thus allow biological contaminants to be consumed more quickly.
  • As it has been said here before, there is an urgent need for wastewater disposal structures and facilities.
  • At the wastewater facility, for example, all the jobs are green.
  • Next on its list of worries is local pollution caused by sulphur dioxide, atmospheric particulate matter and wastewater.
  • wastewater is increasingly being purified for drinking, industrial and agricultural purposes.
  • The tour includes views of the mine's wastewater treatment plant and open-pit mine.
  • The high cost of treating human wastewater may one day tank thanks to a bacterium that eats ammonia and produces rocket fuel.
  • Blackened wastewater flows from a drainpipe into the ocean.
Word Origin and History for wastewater

mid-15c., from waste (adj.) + water (n.1).

Online Etymology Dictionary, © 2010 Douglas Harper
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