(~s)
A ~ is a long formal piece of writing on a particular subject, especially for a university degree.
He is currently writing a ~ on the Somali civil war.
N-COUNT: oft N on n
(~s)
A ~ is a long formal piece of writing on a particular subject, especially for a university degree.
He is currently writing a ~ on the Somali civil war.
N-COUNT: oft N on n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012