Definitions

1. noun

A molecule that can exist in two or more isomeric forms that can interconvert through a process of inversion of a bond (usually a single or double bond) in a ring structure or the migration of a group within a molecule.

“The tautomerism between isatin and its lactam form has important implications for its biological activity.”

2. noun

A compound that can exist in two or more isomeric forms that can interconvert through a process of inversion of a bond (usually a single or double bond) in a ring structure or the migration of a group within a molecule.

“The chemist studied the properties of a tautomer and its potential applications in medicine.”