something that flows out, esp smoke, liquid industrial refuse, sewage, etc discharged into the environment and causing pollution
an outflowing branch of a main stream or lake
smoke, liquid industrial refuse, sewage, etc discharged into the environment, esp when causing pollution
the flow of lava from a volcanic fissure
[Latin effluent-, effluens, present part. of effluere to flow out, from ex-1 + fluere to flow]