(~s)
A ~ is a book which is a detailed study of only one subject. (FORMAL)
...a ~ on her favourite author, John Masefield.
N-COUNT: oft N on n
(~s)
A ~ is a book which is a detailed study of only one subject. (FORMAL)
...a ~ on her favourite author, John Masefield.
N-COUNT: oft N on n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012