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dibasic

[dahy-bey-sik]
adjective Chemistry.
  1. containing two replaceable or ionizable hydrogen atoms: dibasic acid.
  2. having two univalent, basic atoms, as dibasic sodium phosphate, Na2HPO4.
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Origin of dibasic

First recorded in 1865–70; di-1 + basic
Related formsdi·ba·sic·i·ty [dahy-bey-sis-i-tee] /ˌdaɪ beɪˈsɪs ɪ ti/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for dibasic

Historical Examples

  • COOH, is likewise a dibasic acid, known as amido-pyrotartaric acid.

    On Digestive Proteolysis

    R. H. Chittenden


British Dictionary definitions for dibasic

dibasic

adjective
  1. (of an acid, such as sulphuric acid, H 2 SO 4) containing two acidic hydrogen atomsCompare diacidic
  2. (of a salt) derived by replacing two acidic hydrogen atomsdibasic sodium phosphate, Na 2 HPO 4
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Derived Formsdibasicity (ˌdaɪbeɪˈsɪsɪtɪ), noun
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

dibasic in Medicine

dibasic

(dī-bāsĭk)
adj.
  1. Containing two replaceable hydrogen atoms.
  2. Of or relating to salts or acids forming salts with two atoms of a univalent metal.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

dibasic in Science

dibasic

[dī-bāsĭk]
  1. Relating to an acid that contains two hydrogen atoms that can be replaced by metal ions. Sulfuric acid (H2SO4) is a dibasic acid. The hydrogens can be replaced by sodium and hydrogen to form sodium hydrogen sulfate (NaHSO4) or by two sodium atoms to form sodium sulfate (Na2SO4).
  2. Relating to a compound that contains two basic monovalent groups or atoms.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.