Definition of silicon in English:


Line breaks: sili|con
Pronunciation: /ˈsɪlɪk(ə)n


[mass noun]
  • The chemical element of atomic number 14, a non-metal with semiconducting properties, used in making electronic circuits. Pure silicon exists in a shiny dark grey crystalline form and as an amorphous powder. (Symbol: Si)
    More example sentences
    • As silicon doesn't conduct electricity, impurities are added so it becomes a conductor.
    • Silicosis is caused when silicon, fine particles of rock, enters the lungs and cuts lung tissue.
    • The most common technology for harvesting energy from sunlight is the photovoltaic cell based on silicon.


early 19th century: alteration of earlier silicium, from Latin silex, silic- 'flint', on the pattern of carbon and boron.

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