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bisulfite

or bi·sul·phite

[bahy-suhl-fahyt]
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noun Chemistry.
  1. a salt of sulfurous acid, containing the HSO3 group; an acid sulfite; a hydrogen sulfite, as sodium bisulfite, NaHSO3.
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Origin of bisulfite

First recorded in 1885–90; bi-1 + sulfite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for bisulphite

Historical Examples

  • This is generally known as a solution of bisulphite of lime.

    The Manufacture of Paper

    Robert Walter Sindall

  • Bisulphite of soda has also often been used as the reducing agent.

    Animal Proteins

    Hugh Garner Bennett

  • Among the better known agents which have such an effect upon latex, formalin and sodium sulphite (not bisulphite) are the chief.

  • The cyanide and bisulphite solution is then added with warming till the blue colour is destroyed.

    On Laboratory Arts

    Richard Threlfall

  • Sometimes a mixture of bisulphite and powdered zinc replaces it, but this is objectionable for pure food gelatines.

    Animal Proteins

    Hugh Garner Bennett


British Dictionary definitions for bisulphite

bisulphite

noun
  1. a salt or ester of sulphurous acid containing the monovalent group -HSO 3 or the ion HSO 3
  2. (modifier) consisting of or containing the group -HSO 3 or the ion HSO 3 bisulphite ion
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Systematic name: hydrogen sulphite
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

bisulphite in Medicine

bisulfite

(bī-sŭlfīt′)
n.
  1. The univalent inorganic acid group HSO3.
  2. A salt of sulfurous acid containing this group.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.