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 of tautomerism
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Word Origin for tautomerism
C19: from tauto- + isomerism
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
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.
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