Tautomeric a. : Relating to, or characterized by, tautomerism.

Example:
simple enols are less stable than the Tautomeric keto forms because?

Taxonomy
tautomerism, tautomers, Valence tautomerism, free encyclopedia, proton, tautomerization, deprotonation, keto-enol tautomerism, enamine, New York, protonation, search, interconvert, reaction results, migration, exact ratio, several factors, interconvertible.

Defination from the web:
... Common tautomeric pairs are: ketone - enol, e.g., for acetone (see: keto-enol tautomerism). amide - imidic acid, e.g., during nitrile hydrolysis reactions. ...