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) Computer processor.
Abbreviation of silicon chip.
- atomic number 14
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