Orthosilicate

Full definition of orthosilicate

Noun

1. (chemistry) any salt or ester of orthosilicic acid, (M⁺)₄SiO₄⁴⁻ or Si(OR)

1. (mineralogy) any silicate mineral, such as garnet or olivine, in which the SiO₄ tetrahedra do not share oxygen atoms with each other