The Collaborative International Dictionary of English v.0.48:
Dimorphic \Di*mor"phic\, a. Having the property of dimorphism; dimorphous. [1913 Webster]WordNet (r) 3.0 (2006):
dimorphic adj 1: occurring or existing in two different forms; "dimorphic crystals"; "dimorphous organisms" [syn: dimorphic, dimorphous]