tektosilicate

or tec·to·sil·i·cate

[tek-toh-sil-i-kit, -keyt]

noun Mineralogy.

any silicate in which each tetrahedral group shares all its oxygen atoms with neighboring groups, the ratio of silicon to oxygen being 1 to 2.

Compare cyclosilicate, inosilicate, nesosilicate, sorosilicate.

Origin of tektosilicate

< Greek tēktó(s) molten + silicate

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018