silicon

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noun sil·i·con \ˈsi-li-kən, ˈsi-lə-ˌkän\

Definition of silicon

  1. :  a tetravalent nonmetallic element that occurs combined as the most abundant element next to oxygen in the earth's crust and is used especially in ferrosilicon for steelmaking, in other alloys, and in semiconductors — see element table

Origin and Etymology of silicon

New Latin silica + English -on (as in carbon)


First Known Use: 1817


SILICON Defined for English Language Learners

silicon

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noun sil·i·con \ˈsi-li-kən, ˈsi-lə-ˌkän\

Definition of silicon for English Language Learners

  • : a chemical element that is found in the Earth's crust and is used especially in computers and electronics


SILICON Defined for Kids

silicon

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noun sil·i·con \ˈsi-li-kən, ˈsi-lə-ˌkän\

Definition of silicon for Students

  1. :  a chemical element that next to oxygen is the most common element in the earth's crust and is used especially in electronic devices


Medical Dictionary

silicon

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noun sil·i·con \ˈsil-i-kən, ˈsil-ə-ˌkän\

Medical Definition of silicon

  1. :  a tetravalent nonmetallic element that occurs combined as the most abundant element next to oxygen in the earth's crust and is used especially in alloys—symbol Si; see element table


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