sulfur dioxide

sulfur dioxide

n.

A colorless, extremely irritating gas or liquid, SO₂, used in many industrial processes, especially the manufacture of sulfuric acid.

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sulfur dioxide

A colorless, poisonous gas or liquid with a strong odor. It is formed naturally by volcanic activity, and is a waste gas produced by burning coal and oil and by many industrial processes, such as smelting. It is also a hazardous air pollutant and a major contributor to acid rain. Chemical formula: SO₂.

Thesaurus

Noun

1.

sulfur 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 sulphur dioxide 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