• synonyms


noun Chemistry.
  1. the state of being a base.
  2. the power of an acid to react with bases, dependent on the number of replaceable hydrogen atoms of the acid.
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Origin of basicity

First recorded in 1840–50; basic + -ity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for basicity

Historical Examples

  • He believed the organic base owed its basicity to the ammonia.

    Cooley's Practical Receipts, Volume II

    Arnold Cooley

  • When some sodium chloride solution is then added to one of the two portions, the basicity of the solution is distinctly increased.

  • The author has found this a useful test taken in conjunction with the basicity determination.

    Animal Proteins

    Hugh Garner Bennett

British Dictionary definitions for basicity


  1. chem
    1. the state of being a base
    2. the extent to which a substance is basic
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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

basicity in Medicine


  1. The ability of an acid to react based on the number of replaceable hydrogen atoms it contains.
  2. The quality of being basic.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.