Entry 3 senses Webster, 1913

Isomorphic

/īsōmôr'fĭk/ · I·so·mor·phic · IPA /ˌaɪ.soʊˈmɔɹ.fɪk/

01 a. Isomorphous.

1.
Isomorphous.
2.
Alike in form; exhibiting isomorphism.(Biol.)
3.
Of or pertaining to sets related by an isomorphism.