From The Collaborative International Dictionary of English v.0.48 :
Isomorphic \I`so*mor"phic\, a.
1. Isomorphous.
[1913 Webster]
2. (Biol.) Alike in form; exhibiting isomorphism.
[Webster 1913 Suppl.]
3. Of or pertaining to sets related by an isomorphism.
[PJC]
From WordNet (r) 3.0 (2006) :
isomorphic
adj 1: having similar appearance but genetically different [syn:
isomorphous, isomorphic]
From The Free On-line Dictionary of Computing (30 December 2018) :
isomorphic
Two mathematical objects are isomorphic if they
have the same structure, i.e. if there is an isomorphism
between them. For every component of one there is a
corresponding component of the other.
(1995-03-25)