• synonyms


or bi·sul·phate

noun Chemistry.
  1. a salt of sulfuric acid, containing the HSO4 group; an acid sulfate; a hydrogen sulfate, as sodium bisulfate, NaHSO4.
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Origin of bisulfate

First recorded in 1860–65; bi-1 + sulfate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for bisulphate


  1. a salt or ester of sulphuric acid containing the monovalent group -HSO 4 or the ion HSO 4
  2. (modifier) consisting of, containing, or concerned with the group -HSO 4 or the ion HSO 4 bisulphate ion
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Systematic name: hydrogen sulphate
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

bisulphate in Medicine


  1. The univalent inorganic acid group HSO4.
  2. A salt of sulfuric acid containing this group.acid sulfate
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.