sulphur dioxide

1. 1.

   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

   Synonymssulfur dioxide

   Broaderdioxidegaspollutant

Questions about sulphur dioxide

What does sulphur dioxide mean?

sulphur dioxide means "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".

What is another word for sulphur dioxide?

Close synonyms include sulfur dioxide. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.