( BrE ) (also ˌcopper ˈsulfate NAmE ) noun
[ U ] ( symb CuSO 4 .5H 2 O ) a blue crystal which is used in electroplating and to destroy fungus
( BrE ) (also ˌcopper ˈsulfate NAmE ) noun
[ U ] ( symb CuSO 4 .5H 2 O ) a blue crystal which is used in electroplating and to destroy fungus
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005