gray water
noun
: household wastewater (as from a sink or bath) that does not contain serious contaminants (as from toilets or diapers)
Word History
First Known Use
1977, in the meaning defined above
| 单词 | gray water |
| 释义 | gray waternoun : household wastewater (as from a sink or bath) that does not contain serious contaminants (as from toilets or diapers) Word HistoryFirst Known Use 1977, in the meaning defined above |
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