Open English Wordnet
Adjectives
(a)polymorphous, polymorphicrelating to the crystallization of a compound in two or more different forms“polymorphous crystallization”
(a)polymorphic, polymorphousrelating to the occurrence of more than one kind of individual (independent of sexual differences) in an interbreeding population“a polymorphic species”
(s)polymorphic, polymorphoushaving or occurring in several distinct forms“man is both polymorphic and polytypic”, “a polymorphous god”