English

Alternative forms

• graywater, greywater, grey water

Noun

gray water ‎(uncountable)

1. Water that is not clean enough to be potable, such as having been used for washing, but not contaminated with fecal matter or other source of dangerous bacteria or dangerous or noxious materials.

Synonyms

• sullage

Coordinate terms

• black water, sewage

Translations

See also

• gray water on Wikipedia.Wikipedia