- Hyphenation: alumino‧sili‧cate
aluminosilicate (plural aluminosilicates)
- (inorganic chemistry) Any of many silicate minerals, such as feldspar and zeolite, in which a proportion of the Si4+ ions are replaced by Al3+, the excess negative charge being balanced by extra sodium, potassium or calcium ions.
any silicate mineral in which some Si4+ ions are replaced by Al3+
aluminosilicate m (plural aluminosilicates)