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polybasic

[pol-ee-bey-sik]
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adjective Chemistry.
  1. (of an acid) having two or more atoms of replaceable hydrogen.
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Origin of polybasic

First recorded in 1835–45; poly- + basic
Related formspol·y·ba·sic·i·ty [pol-ee-bey-sis-i-tee] /ˌpɒl i beɪˈsɪs ɪ ti/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for polybasic

Historical Examples

  • For polybasic acids, the ratio would have the form demanded by the rule given p. 94.

    The Elements of Qualitative Chemical Analysis, vol. 1, parts 1 and 2.

    Julius Stieglitz


British Dictionary definitions for polybasic

polybasic

adjective
  1. (of an acid) having two or more replaceable hydrogen atoms per molecule
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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

polybasic in Medicine

polybasic

(pŏl′ē-bāsĭk)
adj.
  1. Of or relating to an acid that has two or more hydrogen atoms that can be replaced by basic atoms or radicals.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

polybasic in Science

polybasic

[pŏl′ē-bāsĭk]
  1. Of or relating to an acid that has two or more hydrogen atoms per molecule that can be replaced by basic atoms or radicals.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.