ALL meanings of sulfurous acid
sul·fu·rous ac·id
S s - noun sulfurous acid a colorless liquid, H 2 SO 3 , having a suffocating odor, obtained by dissolving sulfur dioxide in water, known mainly by its salts, which are sulfites: used chiefly in organic synthesis and as a bleach. 1
- noun sulfurous acid a colorless acid, H2SO3, known only in the form of its salts or in aqueous solution and used as a chemical reagent, a bleach, in medicine, etc. 0