EnvThes
السيليكون
Силиций
πυρίτιο
szilikon
silīcijs
silisium
silikoni
silicone
silicium
silicon
Silizium
kisel
kremík
krzem
křemík
räni
silicij
silicio
silicis
siliciu
deprecated concept
US LTER controlled vocabulary
[GEMET] 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.