sili·cateBrE/ˈsɪlɪkeɪt/NAmE/ˈsɪlɪkeɪt/noun[C, U](chemistry化学) anycompound containing silicon and oxygen硅酸盐◆aluminiumsilicate硅酸铝amineralthatcontainssilica and they form a large part of the earth's . Therearemanydifferentsilicatesandtheyformalargepartoftheearth'scrust硅酸盐矿物