Kalmar “permeant” haƙiƙa ita ce nau’in ɓarna na yanzu na fi’ili “permeate”. A matsayin sifa, yana nufin "mai ikon wucewa ta wani abu," "mai iya shiga ko watsawa," ko "mai yuwuwa." an adjective:Masana kimiyya sun gudanar da gwaje-gwaje don gwada dalla-dalla na kayan daban-daban, auna yadda abubuwa daban-daban ke iya wucewa ta cikin su cikin sauƙi.
