Greywater

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

Greywater or sullage (also spelled graywater in the United States and sometimes written as two words: grey water, gray water) is domestic wastewater generated in households or office buildings from streams without substantial fecal contamination, i.e. all streams except for the wastewater from toilets.

Excerpt from the Wikipedia article “Greywater”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: SuSanA Secretariat, CC BY 2.0, via Wikimedia Commons.