flowing out or forth.
something that flows out or forth; outflow; effluence.
a stream flowing out of a lake, reservoir, etc.
sewage that has been treated in a septic tank or sewage treatment plant.
sewage or other liquid waste that is discharged into a body of water, etc.

1720–30; < Latin effluent- (stem of effluēns flowing out, present participle of effluere), equivalent to ef- ef- + flu- flow + -ent- -ent

supereffluent, adjective
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World English Dictionary
effluent (ˈɛflʊənt)
1.  liquid discharged as waste, as from an industrial plant or sewage works
2.  radioactive waste released from a nuclear power station
3.  a stream that flows out of another body of water
4.  something that flows out or forth
5.  flowing out or forth
[C18: from Latin effluere to run forth, from fluere to flow]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

"liquid industrial waste," 1930, from L. effluens (see effluence).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
effluent   (ěf'l-ənt)  Pronunciation Key 
Adjective   Flowing out or forth.

  1. A stream flowing out of a body of water.

  2. An outflow or discharge of liquid waste, as from a sewage system, factory, or nuclear plant.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Sludge is the dirt that remains when sewage is cleaned into effluent.
Hundreds of nearby factories were closed in an effort to reduce the effluent
  that causes algae to grow.
Use or dispose of the cleansed wastewater, called effluent.
Plus, its nitrogen-rich effluent is ideal plant fertilizer.
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