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Meaning of tektosilicate

tek•to•sil•i•cate

Pronunciation: (tek"tō-sil'i-kit, -kāt"), [key]
— n. Mineral.
  1. 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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.