A colorless pungent toxic gas formed by burning sulfur in air.
- Chemical formula: SO2.
- 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.
For editors and proofreaders
Syllabification: sul·fur di·ox·ide
Definition of sulfur dioxide in:
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.