[ ˌmɒnə(ʊ)'mɔ:fɪk ]
■ adjective Biology (of a species or population) showing little or no variation in morphology or phenotype.
↘(of an animal species) having sexes that are similar in size and appearance.
Derivatives
monomorphism noun
monomorphous adjective
Origin
C19: from mono- + Gk morphē 'form'.