Century Dictionary and Cyclopedia - Same as polymorphous. GNU
Webster's 1913 - adj. Polymorphous. - adj. relating to the
crystallization of a compound in two or more different forms -
adj. having or occurring in several distinct forms - adj.
relating to the occurrence of more than one kind of individual
(independent of sexual differences) in an interbreeding
population “This equilibrium is known as polymorphic, by
contrast with the monomorphic equilibria that arise when either
of the alleles has gone to fixation.” “And this is known as a
polymorphic virus or worm, in that each time it's transmitted,
it comes in a different guise.” “The ABO gene is highly
polymorphic, which is thought to be related to evolutionary
changes for host-pathogen interactions, as many pathogens
utilize surface glycoproteins in host invasion.” “Since butters
are comprised of many different fatty acid chains, they are
described as "polymorphic," which means that they have the
ability to crystallize in several different forms according