silicon
1. [ noun ] (chemistry,physics,electronics) 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
Synonyms: atomic_number_14 Si
Related terms: chemical_element semiconductor clay sand silicone granite feldspar quartz
Similar spelling:   silicone