| silicon |
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
Ãâó: wordnet.princeton.edu/perl/webwn
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| silicon carbide |
an extremely hard blue-black crystalline compound (SiC) used as an abrasive and a heat refractory material; crystals of silicon carbide can be used as semiconductors
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| silicone |
any of a large class of siloxanes that are unusually stable over a wide range of temperatures; used in lubricants and adhesives and coatings and synthetic rubber and electrical insulation
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| silicosis |
a lung disease caused by inhaling particles of silica or quartz or slate
Ãâó: wordnet.princeton.edu/perl/webwn
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| silicon dioxide |
silica: a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechartelierite
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