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

 

sewage

 noun
noun
BrE BrE//ˈsuːɪdʒ//
 
, also BrE//ˈsjuːɪdʒ//
 
; NAmE NAmE//ˈsuːɪdʒ//
 
[uncountable]
 
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used water and waste substances that are produced by human bodies, that are carried away from houses and factories through special pipes (= sewers) a ban on the dumping of raw sewage (= that has not been treated with chemicals) at sea sewage disposal compare wastewater Wordfinderdrain, dump, effluent, exhaust, fly-tip, incinerator, landfill, rubbish, sewage, waste Word Origin mid 19th cent.: from sewer, by substitution of the suffix -age.Extra examples In some parts of the country raw sewage is pumped straight in the ocean. Sewage should be treated in a proper disposal system. a sewage treatment plant
See the Oxford Advanced American Dictionary entry: sewage