Dimorph is a term commonly used to describe objects or living organisms that have two distinct forms or structures. Synonyms for dimorph include dimorphic, dimerous, dichotomous, double, bifurcate, bilaterally symmetrical, two-faced, and dualistic. These terms all refer to the concept of something having two distinct parts or forms. In biology, dimorph can describe the physical differences between male and female animals of the same species, or the differences between generations of a species. In geology, dimorph can describe mineral crystals with two distinct forms. Whatever the context, the use of a synonym for dimorph can add nuance and precision to your writing.