(~s)
Note: in BRIT, also use 'ioniser'
An ~ is a device which is meant to make the air in a room more healthy by removing positive ions.
N-COUNT
(~s)
Note: in BRIT, also use 'ioniser'
An ~ is a device which is meant to make the air in a room more healthy by removing positive ions.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012