- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the ability of certain chemical compounds to exist as a mixture of two interconvertible isomers in equilibriumSee also keto-enol tautomerism
C19: from tauto- + isomerism
- 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.