Pyrosulphuric
Pyrosulphuric Pyr`o*sul*phu"ric, a. [Pyro- + -sulphuric.] (Chem.) Pertaining to, or designating, an acid called also {disulphuric} acid) obtained by distillation of certain sulphates, as a colorless, thick, oily liquid, {H2S2O7} resembling sulphuric acid. It is used in the solution of indigo, in the manufacture of alizarin, and in dehydration. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • pyrosulphuric — pyrosulphuric, pyrotartaric, etc adjective see above • • • Main Entry: ↑pyro …   Useful english dictionary

  • pyrosulphuric — adjective alternative spelling of pyrosulfuric …   Wiktionary

  • pyrosulphuric acid — Disulphuric Di sul*phu ric, a. [Pref. di + sulphuric.] (Chem.) Applied to an acid having in each molecule two atoms of sulphur in the higher state of oxidation. [1913 Webster] {Disulphuric acid}, a thick oily liquid, {H2S2O7}, called also… …   The Collaborative International Dictionary of English

  • pyrosulphuric acid — /ˌpaɪroʊsʌlfjurɪk ˈæsəd/ (say .puyrohsulfyoohrik asuhd) noun → fuming sulphuric acid. Also, pyrosulfuric acid …   Australian English dictionary

  • disulphuric — Pyrosulphuric Pyr o*sul*phu ric, a. [Pyro + sulphuric.] (Chem.) Pertaining to, or designating, an acid called also {disulphuric} acid) obtained by distillation of certain sulphates, as a colorless, thick, oily liquid, {H2S2O7} resembling… …   The Collaborative International Dictionary of English

  • H2S2O7 — Pyrosulphuric Pyr o*sul*phu ric, a. [Pyro + sulphuric.] (Chem.) Pertaining to, or designating, an acid called also {disulphuric} acid) obtained by distillation of certain sulphates, as a colorless, thick, oily liquid, {H2S2O7} resembling… …   The Collaborative International Dictionary of English

  • pyrotartaric — pyrosulphuric, pyrotartaric, etc adjective see above • • • Main Entry: ↑pyro …   Useful english dictionary

  • Disulphuric — Di sul*phu ric, a. [Pref. di + sulphuric.] (Chem.) Applied to an acid having in each molecule two atoms of sulphur in the higher state of oxidation. [1913 Webster] {Disulphuric acid}, a thick oily liquid, {H2S2O7}, called also {Nordhausen acid}… …   The Collaborative International Dictionary of English

  • Disulphuric acid — Disulphuric Di sul*phu ric, a. [Pref. di + sulphuric.] (Chem.) Applied to an acid having in each molecule two atoms of sulphur in the higher state of oxidation. [1913 Webster] {Disulphuric acid}, a thick oily liquid, {H2S2O7}, called also… …   The Collaborative International Dictionary of English

  • fuming sulphuric acid — Disulphuric Di sul*phu ric, a. [Pref. di + sulphuric.] (Chem.) Applied to an acid having in each molecule two atoms of sulphur in the higher state of oxidation. [1913 Webster] {Disulphuric acid}, a thick oily liquid, {H2S2O7}, called also… …   The Collaborative International Dictionary of English

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