['sɪlɪkən] n

السيليسيوم (العنصر الرابع عشر)

silicon A brittle metalloid element that exists in two allotropic forms; occurs principally in sand, quartz, granite, feldspar, and clay. It is usually a grey crystalline solid but is also found as a brown amorphous powder. It is used in transistors, rectifiers, solar cells, and alloys. Its compounds are widely used in glass manufacture, the building industry, and in the form of silicones ['sɪlɪkən] n

envir.

السيليكون

silicon

: 9 phrases, 5 sujets

Agriculture	2
Industrie alimentaire	2
L'	1
Pétrole / pétrole	2
Restauration et traiteur	2

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