Definition of sewage noun from the Oxford Advanced American Dictionary

 

sewage

 noun
noun
NAmE//ˈsuɪdʒ//
 
[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
See the Oxford Advanced Learner's Dictionary entry: sewage