Share this entry

Share this page


Line breaks: ef¦flu|ent
Pronunciation: /ˈɛflʊənt

Definition of effluent in English:


[mass noun]
Liquid waste or sewage discharged into a river or the sea: industrial effluent [count noun]: contamination with trade effluents
More example sentences
  • Ground water is polluted by industrial effluent and human waste.
  • Treated effluent is still discharged into Maguires Creek, the Richmond River and the Pacific Ocean.
  • However, there were occasions when because of the poor quality industrial effluents being discharged into the river the water could carry no oxygen and it was impossible for fish to survive.
(liquid) waste, sewage, effluvium, outflow, discharge, emission;
pollutant, pollution


late Middle English (in the adjective sense 'flowing out'): from Latin effluent- 'flowing out', from the verb effluere (see effluence). The noun dates from the mid 19th century.

Definition of effluent in:

Share this entry

Share this page


What do you find interesting about this word or phrase?

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day vigesimal
Pronunciation: ˌvīˈjesəm(ə)l
relating to or based on the number twenty