/tek'toh sil"i kit, -kayt'/ , n. Mineral.
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.
Also, tectosilicate . Cf. cyclosilicate, inosilicate, nesosilicate, sorosilicate .
[ tektó ( s ) molten + SILICATE ]