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or bi·sul·phate

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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

bisulfate 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.