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Noun: silicon  'si-lu,kón or si-li-kun [N. Amer], si-li-kun [Brit]
  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
    - Si, atomic number 14

Derived forms: silicons

Type of: chemical element, element, semiconducting material, semiconductor

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

Encyclopedia: Silicon