(~s)
The ~ of something is the thing that is produced or achieved by means of it.
It is the ~ of exhaustive research and development.
N-COUNT: oft N of n
(~s)
The ~ of something is the thing that is produced or achieved by means of it.
It is the ~ of exhaustive research and development.
N-COUNT: oft N of n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012