1. 硅
Silicon is an element that is found in sand and in minerals such as quartz and granite. Silicon is used to make parts of computers and other electronic equipment.

1. a tetravalent nonmetallic element
next to oxygen it is the most abundant element in the earth's crust
occurs in clay and feldspar and granite and quartz and sand
used as a semiconductor in transistors

Synonym: Siatomic number 14