1. silicon

noun. ['ˈsɪləkən'] 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.


  • semiconductor
  • element
  • Si
  • sand
  • chemical element
  • atomic number 14
  • clay
  • semiconducting material
  • quartz
  • silicone
  • silicone polymer
  • felspar
  • granite


  • software
  • curve
  • roughen
  • unsteadiness


  • silex (Latin)
  • silica (English)
  • silex (Irish)

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Rhymes with Silicon Dioxide

  • superoxide
  • peroxide
  • dockside

Sentences with silicon-dioxide

1. Noun Phrase
Quartz is silicon dioxide, which is a crystalline mineral found in sand and the earth's crust.

2. Noun Phrase
Meat, dairy and other animal products are lower in silicon dioxide than plant-based foods.

3. Noun Phrase
Silica, or silicon dioxide, is a natural compound made of silicon and oxygen.

4. Noun Phrase
Therefore, there are around 3 x 10^22 atoms in one gram of silicon dioxide.

2. dioxide

noun. ['daɪˈɑːkˌsaɪd'] an oxide containing two atoms of oxygen in the molecule.


  • carbonic acid gas
  • chlorine dioxide
  • nitrogen dioxide
  • sulphur dioxide
  • carbon dioxide
  • oxide
  • sulfur dioxide


  • di- (English)
  • δία (Ancient Greek (to 1453))
  • oxide (English)