orthosilicate
nounEtymology From ortho- + silicate.
1
Chemistry, Inorganic chemistry, Natural sciences, Physical sciences Any salt or ester of orthosilicic acid, (M⁺)₄SiO₄⁴⁻ or Si(OR)₄.
2
Chemistry, Geography, Geology, Mineralogy, Natural sciences, Physical sciences Any silicate mineral, such as garnet or olivine, in which the SiO₄ tetrahedra do not share oxygen atoms with each other.
- Derived terms
- oxyorthosilicate, tetraethylorthosilicate
- Hypernyms
- silicate