~ is used to refer to an electric current that always flows in the same direction. ~ is an abbreviation for ‘direct current’.
N-UNCOUNT
~ is used to refer to an electric current that always flows in the same direction. ~ is an abbreviation for ‘direct current’.
N-UNCOUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012