(~s)
A ~ is a chemical that prevents things from decaying. Some ~s are added to food, and others are used to treat wood or metal.
Nitrates are used as ~s in food manufacture...
N-MASS
(~s)
A ~ is a chemical that prevents things from decaying. Some ~s are added to food, and others are used to treat wood or metal.
Nitrates are used as ~s in food manufacture...
N-MASS
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012