to remove the ambiguity from; make unambiguous: In order to disambiguate the sentence “She lectured on the famous passenger ship,” you'll have to write either “lectured on board” or “lectured about.”
dis·am·big·u·ate (dĭs'ām-bĭg'yōō-āt') tr.v.
dis·am·big·u·at·ed, dis·am·big·u·at·ing, dis·am·big·u·ates To establish a single grammatical or semantic interpretation for. dis'am·big'u·a'tion n.