effluent
US /ˈef.lu.ənt/
UK /ˈef.lu.ənt/

1.
liquid waste or sewage discharged into a river or the sea
:
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The factory was fined for discharging untreated effluent into the river.
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Contaminated effluent poses a serious threat to aquatic life.
1.
flowing out or forth
:
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The effluent stream carried pollutants away from the industrial site.
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The effluent gases from the volcano were monitored closely.