sulphur dioxide

noun

a colourless soluble pungent gas produced by burning sulphur. It is both an oxidizing and a reducing agent and is used in the manufacture of sulphuric acid, the preservation of a wide range of foodstuffs (E220), bleaching, and disinfecting. Formula: SO 2Systematic name: sulphur(IV) oxide

Nearby words

  1. sulphonium compound,
  2. sulphonmethane,
  3. sulphonyl,
  4. sulphur,
  5. sulphur butterfly,
  6. sulphur springs,
  7. sulphur trioxide,
  8. sulphur tuft,
  9. sulphur-bottom,
  10. sulphur-crested cockatoo

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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