(~s)
Effluent is liquid waste material that comes out of factories or sewage works. (FORMAL)
The ~ from the factory was dumped into the river...
= waste
N-MASS
(~s)
Effluent is liquid waste material that comes out of factories or sewage works. (FORMAL)
The ~ from the factory was dumped into the river...
= waste
N-MASS
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012