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sulfur dioxide Syllabification: sul·fur di·ox·ide
Pronunciation: /ˈsəlfər dīˈäkˌsīd/

Definition of sulfur dioxide in English:


A colorless pungent toxic gas formed by burning sulfur in air.
  • Chemical formula: SO2
Example sentences
  • Other trace gases include methane, nitrous oxide, carbon monoxide, sulphur dioxide, and ozone.
  • The District's urban forest improves air quality by removing nitrogen dioxide, sulfur dioxide, carbon monoxide, ozone, and particulate matter.
  • When fossil fuels burn, carbon dioxide, sulfur dioxide, nitrogen oxides, sooty particles, dioxins, and other pollutants are released into the air and water.
Definition of sulfur dioxide in:
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