Definition of effluent noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈefluənt//
; NAmE NAmE//ˈefluənt//
[uncountable, countable] (formal)
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liquid waste, especially chemicals produced by factories, or sewage Word Originlate Middle English (in the adjective sense ‘flowing out’): from Latin effluent- ‘flowing out’, from the verb effluere ‘flow out’, from ex- ‘out’ + fluere ‘to flow’. The noun dates from the mid 19th cent. Wordfinderdrain, dump, effluent, exhaust, fly-tip, incinerator, landfill, rubbish, sewage, waste
See the Oxford Advanced American Dictionary entry: effluent