graywaters
/ˈɡreɪˌwɔtərz/
noun
- Wastewater from household sources like sinks, showers, and washing machines that is not heavily polluted with sewage.
- Using graywaters for irrigation can help conserve fresh water.
- The new building has a system that recycles graywaters for flushing toilets.
- Many homeowners collect graywaters from their laundry to water their gardens.
Synonyms