Wastewater
ahd-5
noun.
Water that has been used, as for washing, flushing, or in a manufacturing process, and so contains waste products; sewage.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
Any
water
that has been used by some human domestic or industrial activity and, because of that, now contains
waste
products.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
water mixed with waste matter