sulphurous 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.

Australian English dictionary. 2014.

Look at other dictionaries:

  • Sulphurous 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

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

  • sulphurous 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

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

  • 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 lower… …   The Collaborative International Dictionary of English

  • Sulphurous 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

  • sulphurous 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

  • sulphurous — 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

  • Sulphur 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

  • sulphuric 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

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