atomic number 14

Noun

1.

atomic number 14 - 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: silicon, Si

chemical element, clay, element, feldspar, felspar, granite, quartz, sand, semiconducting material, semiconductor, Si, silicon, silicone, silicone polymer