noun
Usage: usually capitalized M
: a light green crystalline salt FeSO 4 .(NH 4 ) 2 SO 4 .6H 2 O used chiefly in iron plating, in photography, and in chemical analysis; ferrous ammonium sulfate
noun
Usage: usually capitalized M
: a light green crystalline salt FeSO 4 .(NH 4 ) 2 SO 4 .6H 2 O used chiefly in iron plating, in photography, and in chemical analysis; ferrous ammonium sulfate
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012