(~s)
If one thing is an ~ of another, it has developed from that other thing.
Psychology began as a purely academic ~ of natural philosophy...
N-COUNT: usu with poss
(~s)
If one thing is an ~ of another, it has developed from that other thing.
Psychology began as a purely academic ~ of natural philosophy...
N-COUNT: usu with poss
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012