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| silicon | |||
| silicon A brittle metalloid element that exists in two allotropic forms; occurs principally in sand, quartz, granite, feldspar, and clay. It is usually a grey crystalline solid but is also found as a brown amorphous powder. It is used in transistors, rectifiers, solar cells, and alloys. Its compounds are widely used in glass manufacture, the building industry, and in the form of silicones | |||
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silicium : 77 phrases in 12 subjects |
| Chemistry | 18 |
| Earth sciences | 6 |
| Electronics | 25 |
| Energy industry | 3 |
| Environment | 4 |
| Food industry | 1 |
| General | 5 |
| Information technology | 9 |
| Life sciences | 1 |
| Metallurgy | 2 |
| Natural sciences | 1 |
| Technology | 2 |