Relating to a compound that can crystallizes into two or more distinct forms (e.g. carbon, which can crystalize into coal, graphite, diamond, etc.)
Relating to polymorphism (any sense), able to have several shapes or forms.
Having or relating to the ability to take multiple data types for a single parameter.
Crystallizing in two or more different forms; polymorphic
Having, or occurring in, several distinct forms
Having, or assuming, a variety of forms, characters, or styles