graywater
Americannoun
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Wastewater from baths, bathroom sinks, and washing machines that does not contain body or food wastes. Graywater can be recycled especially for use in gardening or for flushing toilets.
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Compare blackwater
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.
The building was celebrated for having obtained a “LEED for Homes” sustainability certification and was the first to implement the use of both stormwater and graywater to supply toilets and irrigation, according to the lawsuit.
From Los Angeles Times • May 9, 2025
County’s efforts on stormwater capture and recycling “much more aligned and in congruence with City efforts,” and that both entities should mandate that more projects use graywater and recycled water for non-potable purposes.
From Los Angeles Times • Oct. 13, 2022
You describe water catchment, and graywater guerilla efforts, to help preserve your garden.
From Salon • Sep. 11, 2022
Marshall has now come up with a three-part filter system that is effective at removing the smell from the graywater, but not at removing pathogens and viruses.
From Scientific American • Jul. 15, 2014
The barracks recycle graywater -- water from showers and sinks -- to use in toilets.
From Scientific American • Jan. 9, 2014
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
