noun
waste liquid; effluent; liquid waste
Refers to liquid waste from industrial, laboratory, or medical processes. Often used in environmental and safety contexts.
工場から出る廃液は適切に処理しなければならない。
Waste liquid from factories must be properly treated.
実験室では廃液の分別が重要だ。
In the laboratory, separation of waste liquids is important.
Compound of 廃 (hai, 'discard, waste') and 液 (eki, 'liquid'). The kanji combination directly conveys 'waste liquid'.