(~s)
A ~ is the amount of a medicine or drug that someone takes or should take.
He was put on a high ~ of vitamin C.
N-COUNT
(~s)
A ~ is the amount of a medicine or drug that someone takes or should take.
He was put on a high ~ of vitamin C.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012