tautomer
/ˈtɔːtəmə(r)/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【化】互变（异构）体。
派生词
tautomeric
/-ˈmerɪk/ adjectivetautomerism
/-ˈtɒmərɪzəm/ noun词源