| silicon | (n) 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, Syn. Si, atomic number 14 |
| 硅 | [硅] silicon Si, metalloid, atomic number 14 #11,266 [Add to Longdo] |