Definition of silicon

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  • silicon is a valid Scrabble US word with a point value of 9
  • silicon is a valid Scrabble UK word with a point value of 9
  • silicon is a valid Words with friends word with a point value of 12

Definition of silicon

  • 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 (noun)

    Synonyms

    1. atomic number 14
    2. si

See definition of silicon in Merriam Webster