lep·roma·tous \(ˈ)le|präməd.əs, -rōm-\adjective Etymology: New Latin lepromat-, leproma + English -ous 1.: characterized by the formation or presence of lepromas < lepromatous leprosy > 2.: relating to or exhibiting nodular leprosy < cases of the lepromatous type > < a higher lepromatous rate >