tautomer
/ˈtɔtəmər/
noun
- One of two or more chemical compounds that can easily change into each other by moving a hydrogen atom and a double bond.
- In DNA, the rare tautomer of a base can cause a mutation during replication.
- Keto and enol forms are tautomers that exist in equilibrium in many organic compounds.
- The chemist studied how a tautomer can convert into its alternative form under different conditions.