Dimorphic vs. Monomorphic — What's the Difference?

Existing or occurring in two distinct forms; exhibiting dimorphism

(Chemistry) Having only one form, as one crystal form.

Occurring or existing in two different forms

(Biology) Having or existing in only one form, as having only one allele of a gene or having males and females that look alike.

Exhibiting dimorphism

Having or existing in a single shape or form

Having the property of dimorphism; dimorphous.

Invariant across a species

Occurring or existing in two different forms;

Taking only a single data type

Having but a single form; retaining the same form throughout the various stages of development; of the same or of an essentially similar type of structure; - opposed to dimorphic, trimorphic, and polymorphic.