sulphur dioxide(redirected from sulphur(IV) oxide)
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(Elements & Compounds) 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: SO2. Systematic name: sulphur(IV) oxide
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|Noun||1.||sulphur dioxide - a colorless toxic gas (SO2) that occurs in the gases from volcanoes; used in many manufacturing processes and present in industrial emissions; causes acid rain|
dioxide - an oxide containing two atoms of oxygen in the molecule
pollutant - waste matter that contaminates the water or air or soil
gas - a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
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sulphur dioxide, (US) sulfur dioxide
n → Schwefeldioxid nt
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