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tautomerism

 - 4 dictionary results

tau⋅tom⋅er⋅ism

  [taw-tom-uh-riz-uhm]
Use tautomerism in a Sentence
–noun Chemistry.
the ability of certain organic compounds to react in isomeric structures that differ from each other in the position of a hydrogen atom and a double bond.
Origin:
1880–85; tauto- + (iso)merism

Related forms:
tau⋅to⋅mer⋅ic  [taw-tuh-mer-ik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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tau·tom·er·ism   (tô-tŏm'ə-rĭz'əm)   
n.  Chemical isomerism characterized by relatively easy interconversion of isomeric forms in equilibrium.

[tauto- + (iso)merism.]
tau'to·mer (tô'tə-mər) n., tau'to·mer'ic (tô'tə-měr'ĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: tau·tom·er·ism
Pronunciation: to-'täm-&-"riz-&m
Function: noun
: isomerism in which the isomers change into oneanother with great ease so that they ordinarily exist together in equilibrium
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

tautomerism tau·tom·er·ism (tô-tŏm'ə-rĭz'əm)
n.
Chemical isomerism in which the isomeric forms differ little, usually only in the position of a hydrogen atom, and are able to exist in equilibrium and react with each other.

tau'to·mer'ic (tô'tə-měr'ĭk) adj.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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