Definition of Silicon 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 Noun Synonyms for word "silicon" Semanticaly linked words with "silicon" Hyponims for word "silicon" etymology ekasilicon etymology nonsilicon etymology radiosilicon etymology silicoflagellate etymology silsesquioxane etymology sileacan [Irish] etymology silikon etymology سيليکون etymologically related silane etymologically related silex etymological origin of silica etymologically related silica etymologically related silicate etymologically related silice etymologically related siliceous etymologically related silici- etymologically related silicic etymologically related silicious etymological origin of silex [Latin] is derived from Cwm Silicon is derived from Silicon Alley is derived from Silicon Fen is derived from Silicon Forest is derived from Silicon Glen is derived from Silicon Hills is derived from Silicon Prairie is derived from Silicon Sentier is derived from Silicon Valley is derived from Silicon Wadi is derived from ekasilicon is derived from ferrosilicon is derived from float-zone silicon is derived from lithium-drifted silicon detector is derived from silico- is derived from silicon alkoxide is derived from silicon carbide is derived from silicon chip is derived from silicon controlled rectifier is derived from silicon dioxide is derived from silicon ester is derived from silicon germanide is derived from silicon germanium is derived from silicon hydride is derived from silicon iron is derived from silicon oxide is derived from silicon photonics is derived from silicon steel is derived from silicon tetrachloride is derived from silicon tetrafluoride is derived from silicon wafer is derived from silicon-28 is derived from silicon-29 is derived from silicon-30 is derived from silicon-based is derived from siliconise is derived from siliconize is derived from strained silicon