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Noun: atomic number 14
  1. A tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors
    - silicon, Si

Type of: semiconducting material, semiconductor

Part of: clay, feldspar, felspar, granite, quartz, sand, silicone, silicone polymer