Chemistry. (of an acid) containing one replaceable hydrogen atom.
Biology, monotypic.

1835–45; mono- + basic

monobasicity [mon-uh-bey-sis-i-tee] , noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
monobasic (ˌmɒnəʊˈbeɪsɪk)
chem (of an acid, such as hydrogen chloride) having only one replaceable hydrogen atom per molecule

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American Heritage
Medical Dictionary

monobasic mon·o·ba·sic (mŏn'ə-bā'sĭk)

  1. Having only one hydrogen ion to donate to a base in an acid-base reaction.

  2. Having only one metal ion or positive radical.

The American Heritage® Stedman's Medical Dictionary
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American Heritage
Science Dictionary
monobasic   (mŏn'ə-bā'sĭk)  Pronunciation Key 
  1. Relating to an acid that contains only one hydrogen atom that can be replaced in an acid-base reaction. Hydrochloric acid (HCl) and nitric acid (HNO3) are monobasic acids.

  2. Of or relating to a compound that contains one metal ion or positive radical.

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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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