| dimorphous | 1. <biology> Characterised by dimorphism; occurring under two distinct forms, not dependent on sex; dimorphic. 2. <chemistry> Crystallizing under two forms fundamentally different, while having the same chemical composition. Origin: Cf. F. Dimorphe. Source: Websters Dictionary (01 Mar 1998) |
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| dimorphous leprosy | A form of leprosy that is very unstable immunologically; the cutaneous nerves frequently present bacilli, but the lepromin test is usually negative; cutaneous lesions are comprised of flat bands or plaques. Synonym: dimorphous leprosy. (05 Mar 2000) |