sulphur dioxide

noun

1. 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 2 Systematic namesulphur(IV) oxide

Example Sentences

In addition to the danger of the release of toxic sulphur dioxide gas, just being exposed to dust particles from the concentrate can damage a person’s respiratory system.

From BBC

Pinatubo, the resulting half a degree of global cooling was the result of about 15 million tonnes of sulphur dioxide injected into the stratosphere.

From BBC

Authorities later said the area around Grindavik was evacuated after sulphur dioxide was detected, sparking fears of a nearby opening in the ground.

From BBC

The project entails converting sulphur dioxide into sulphuric acid, which is then neutralised with limestone to generate gypsum waste.

From Reuters

This not only releases large amounts of CO2, but also produces toxic gases such as sulphur dioxide.

From Science Daily