• word of the day

    silicon

    silicon - Dictionary definition and meaning for word silicon

    Definition
    (noun) 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
    Synonyms : atomic number 14 , si

Word used in video below:
text: the first commercial silicon solar cell in 1954.
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