Ma'anar ƙamus na kalmar "nasalization" shine aiki ko tsari na samar da sauti ta hanci, ko gyaran sautin magana ta hanyar sautin hanci. A cikin sautin murya, nasalization yana nufin lafazin sautin wasali tare da kwararar iska a lokaci guda ta hanci, wanda ke haifar da siffar ingancin hanci ga sautin. Hanci na iya faruwa ta dabi'a a wasu harsuna, ko kuma ana iya nuna shi ta alamar yare a cikin fassarar sauti don bambanta shi da wasulan da ba na hanci ba.