In general, a polymorph is something that can exist in several states or forms.
A polymorph can be:
In Biology, Dreissena polymorpha is the scientific name for the Zebra mussel.
In Materials science, a polymorph is a solid material which shares chemical composition with another material but is composed of a different crystal lattice or form; see also allotropy.
In Algebra, a polymorph is an integer which can be expressed in multiple ways using a certain form (further explanation at mathworld.wolfram.com).
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