sulfur dioxide

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.

precipitated sulfur a topical scabicide, antiparasitic, antibacterial, antifungal, and keratolytic.

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.

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.