Di*mor"phism (?), n.
[Cf. F. dimorphisme.]
1.
(Biol.) Difference of form between members of the same species, as when a plant
has two kinds of flowers, both hermaphrodite (as in the partridge berry), or when there
are two forms of one or both sexes of the same species of butterfly.
Dimorphism is the condition of the appearance of the same species under two dissimilar
forms.
Darwin. 2.
(Crystallog.) Crystallization
in two independent forms of the same chemical compound, as of calcium
carbonate as calcite and aragonite.
Hear it pronounced