tautomerPronunciation: /ˈtɔːtəmə/Definition of tautomer noun Chemistry each of two or more isomers of a compound which exist together in equilibrium, and are readily interchanged by migration of an atom or group within the molecule. Derivatives tautomericPronunciation: /-ˈmɛrɪk/ adjective tautomerismPronunciation: /-tɔːˈtɒmərɪz(ə)m/ noun Origin: early 20th century: blend of tauto- 'same' and isomertautomer in other Oxford dictionaries Definition of tautomer in the US English dictionary
