( BrE ) ( US (abˌsorbent) ˈcotton ) noun
[ U ] a soft mass of white material that is used for cleaning the skin or a wound :
cotton wool balls
( BrE ) ( US (abˌsorbent) ˈcotton ) noun
[ U ] a soft mass of white material that is used for cleaning the skin or a wound :
cotton wool balls
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005