(~s)
A ~ of a substance is a thin layer of it spread over a surface.
Under the ~ of dust and cobwebs, he discovered a fine French Louis XVI clock.
N-COUNT: usu with supp
(~s)
A ~ of a substance is a thin layer of it spread over a surface.
Under the ~ of dust and cobwebs, he discovered a fine French Louis XVI clock.
N-COUNT: usu with supp
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012