Silicon Definition

sĭlĭ-kən, -kŏn
noun
A nonmetallic chemical element occurring in several forms, found always in combination, and more abundant in nature than any other element except oxygen, with which it combines to form silica: used in the manufacture of transistors, solar cells, rectifiers, silicones, ceramics, etc.: symbol, Si; at. no. 14
Webster's New World

(slang) Computing.

Wiktionary
(slang) Computer processor.
Wiktionary
Abbreviation of silicon chip.
Wiktionary

(physics) The major stable isotope of silicon, 2814Si, having fourteen protons and fourteen neutrons; it amounts to over 92% of the element in nature.

Wiktionary
Synonyms:
  • atomic number 14
  • si

Origin of Silicon

  • From the stem of Latin silex (“silica").

    From Wiktionary

  • From the silicon chips used in computers

    From Wiktionary

  • From silica

    From American Heritage Dictionary of the English Language, 5th Edition

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silicon