n.a white mineral consisting of magnesium sulphate and potassium chloride; a source of potassium salts; used as a fertilizer
英汉双解大词典
kainite/ˈkaɪnaɪt/
1.
N(名词)
a white mineral consisting of potassium chloride and magnesium sulphate: a fertilizer and source of potassium salts. Formula: KCl.MgSO4.3H2O 钾盐镁矾; 含有钾氯化物和镁硫酸盐的白色矿物质