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单词 silicon
释义

silicon

/ˈsɪlɪk(ə)n /
noun [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) 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.

Origin

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

Rhymes

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更新时间:2024/11/10 17:04:27