tectosilicatecommon nounEtymologyexpandThe word recalls the chemical origin of the silicate group and the place where these minerals are found: the upper part of the Earth's crust, the roof (tecto).Definition1. Tectosilicates define a type of silicate architecture, the one with maximum polymerization, comprising several of the most important minerals in the Earth's crust.minéralogieexpandPluraltectosilicates