sulphurous acid

  • 1Sulphurous acid — Sulphurous Sul phur*ous, a. [L. sulphurosus, sulfurosus: cf. F. sulfureux.] 1. Of or pertaining to sulphur. [1913 Webster] 2. (Chem.) (a) Derived from, or containing, sulphur; specifically, designating those compounds in which the element has a… …

    The Collaborative International Dictionary of English

  • 2sulphurous acid — noun An unstable acid, H2SO3, used as a food preservative and bleaching agent • • • Main Entry: ↑sulphur …

    Useful english dictionary

  • 3sulphurous acid — Sulphur Sul phur, n. [L., better sulfur: cf. F. soufre.] 1. (Chem.) A nonmetallic element occurring naturally in large quantities, either combined as in the sulphides (as pyrites) and sulphates (as gypsum), or native in volcanic regions, in vast… …

    The Collaborative International Dictionary of English

  • 4sulphurous acid — /sʌlfərəs ˈæsəd/ (say sulfuhruhs asuhd) noun an acid, H2SO3, formed by dissolving sulphur dioxide in water, known mainly by its salts (sulphites). Also, sulfurous acid …

  • 5sulphurous acid — noun Chemistry an unstable weak acid formed when sulphur dioxide dissolves in water. [H2SO3.] …

    English new terms dictionary

  • 6Sulphurous — Sul phur*ous, a. [L. sulphurosus, sulfurosus: cf. F. sulfureux.] 1. Of or pertaining to sulphur. [1913 Webster] 2. (Chem.) (a) Derived from, or containing, sulphur; specifically, designating those compounds in which the element has a lower… …

    The Collaborative International Dictionary of English

  • 7Sulphurous anhydride — Sulphurous Sul phur*ous, a. [L. sulphurosus, sulfurosus: cf. F. sulfureux.] 1. Of or pertaining to sulphur. [1913 Webster] 2. (Chem.) (a) Derived from, or containing, sulphur; specifically, designating those compounds in which the element has a… …

    The Collaborative International Dictionary of English

  • 8sulphurous anhydride — Sulphur Sul phur, n. [L., better sulfur: cf. F. soufre.] 1. (Chem.) A nonmetallic element occurring naturally in large quantities, either combined as in the sulphides (as pyrites) and sulphates (as gypsum), or native in volcanic regions, in vast… …

    The Collaborative International Dictionary of English

  • 9sulphurous — adj. (US sulfurous) 1 relating to or suggestive of sulphur, esp. in colour. 2 Chem. containing quadrivalent sulphur. Phrases and idioms: sulphurous acid an unstable weak acid used as a reducing and bleaching acid. Etymology: L sulphurosus f.… …

    Useful english dictionary

  • 10Sulphur acid — Sulphur Sul phur, n. [L., better sulfur: cf. F. soufre.] 1. (Chem.) A nonmetallic element occurring naturally in large quantities, either combined as in the sulphides (as pyrites) and sulphates (as gypsum), or native in volcanic regions, in vast… …

    The Collaborative International Dictionary of English