Share this entry

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

Definition of sulfur dioxide in English:

noun

Chemistry
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:

Share this entry

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources