sulfur dioxide
(redirected from sulfurous oxide)Also found in: Dictionary, Thesaurus, Encyclopedia.
sulfur
[sul´fer]a chemical element, atomic number 16, atomic weight 32.064, symbol S. (See Appendix 6.)
sulfur dioxide a colorless, nonflammable gas used as an antioxidant in pharmaceutical preparations; it is also an important air pollutant, irritating the eyes and respiratory tract.
sublimed sulfur a topical scabicide and antiparasitic.
sul·fur di·ox·ide
a colorless, nonflammable gas with a strong, suffocating odor; a powerful reducing agent used to prevent oxidative deterioration of food and medicinal products.
See also: sulfurous acid.
See also: sulfurous acid.
Synonym(s): sulfurous oxide
sulfur di·ox·ide
(SO2) (sŭlfŭr dī-oksīd)Colorless, nonflammable gas with a strong, suffocating odor; a powerful reducing agent used to prevent oxidative deterioration of food and medicinal products.