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monobasic

[mon-uh-bey-sik]
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adjective
  1. Chemistry. (of an acid) containing one replaceable hydrogen atom.
  2. Biology. monotypic.

Origin of monobasic

First recorded in 1835–45; mono- + basic
Related formsmon·o·ba·sic·i·ty [mon-uh-bey-sis-i-tee] /ˌmɒn ə beɪˈsɪs ɪ ti/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for monobasic

monobasic

adjective
  1. chem (of an acid, such as hydrogen chloride) having only one replaceable hydrogen atom per molecule
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

monobasic in Medicine

monobasic

(mŏn′ə-bāsĭk)
adj.
  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 Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

monobasic in Science

monobasic

[mŏn′ə-bāsĭk]
  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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.