isomeric
adjective
iso·mer·ic ˌī-sə-ˈmer-ik 
: of, relating to, or exhibiting isomerism
Example Sentences
Recent Examples on the Web Arrangements resulting in less stable, higher energies of an isotope are called isomeric states. 
Artemis Spyrou, The Conversation, 24 May 2022
Artemis Spyrou, The Conversation, 24 May 2022 Word History
Etymology
German isomerisch, from Greek isomerēs equally divided, from is- + meros part — more at merit entry 1
First Known Use
1833, in the meaning defined above
Medical Definition
isomeric
adjective
iso·mer·ic ˌī-sə-ˈmer-ik
: of, relating to, or exhibiting isomerism