💧 Wastewater reuse 💧 Related to wastewater

graywater

6.1

Relating to collecting and using used water from sinks and showers, not including toilet waste

adjective
/ˈɡreɪˌwɔːtər/

Specialized

: gris

Many eco-friendly homes implement graywater systems to recycle water from sinks and showers.

Examples

A graywater treatment unit can help conserve water in areas facing drought.
Many eco-friendly homes use graywater pipes to reduce their overall water consumption.
The new building features a graywater system to irrigate the landscaping and flush toilets.
The graywater system reduces water waste in homes.
Using graywater for irrigation can save a lot of water.
The new building features a graywater system for sustainable irrigation and conserving water.
A graywater recycling setup efficiently treats wastewater for reuse in gardening.

Antonyms

clean water

42 1.0

Water that is safe to drink and use

How Clean

tap water

27 1.0

bath water

3 1.0

graywater

Specialized

6.1

sewage

NSFW

78 3.3

Surface Forms

graywater positive

Morphology

graywater = gray + water (semi-transparent) = gray + water

Built by compounding 'gray' and 'water', the adjective form clearly relates to systems dealing with that water, but the specialized technical sense is not fully inferable by a B1 learner.

Etymology

Graywater as an adjective uses the parts gray and water to describe systems or pipes that collect and treat used water from sinks and showers that is 'not toilet waste'. That's why buildings or gardens may have a 'graywater' system to reuse that water.