gray water

American  

noun

1. dirty water from sinks, showers, bathtubs, washing machines, and the like, that can be recycled, as for use in flushing toilets.

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Etymology

Origin of gray water

First recorded in 1975–80

Example Sentences

The design uses plants and soil to filter gray water.

From Seattle Times

Fillmore County in 2013 started requiring homes to have modern septic systems to dispose of “gray water” from dishwashing, laundry and such.

From Seattle Times

“We recycle the gray water from our shower and laundry. It’s all plumbed in and goes out into two buried lines in the backyard.”

From Seattle Times

The designs the group sent to the city feature a rain garden filled with soil and plants connected to the sinks that are intended to treat gray water.

From Seattle Times

Silvernail, who sat on a review panel of the projects alongside the departments and other city staff, said the city had concerns with possible dripping from a hose and soil that would be contaminated by gray water in the Clean Hands Collective’s model, but both projects needed tweaks.

From Seattle Times