Kwayoyin dipole molecule ne wanda ke da rabewar caji tsakanin kwayoyin halitta guda biyu a cikin kwayoyin halitta, yana haifar da kyakkyawan ƙarshe da ƙarshen mara kyau. Wannan rabuwar cajin yana faruwa ne lokacin da atom ɗin da ke cikin kwayoyin halitta suna da nau'ikan lantarki daban-daban, wanda ke haifar da jawo electrons kusa da ɗayan zarra fiye da ɗayan. Sakamakon kwayoyin halitta yana da lokacin dipole na dindindin, wanda ke nufin yana da lokacin dipole na wutar lantarki kuma yana da ikon yin mu'amala tare da sauran kwayoyin polar ta hanyar hulɗar dipole-dipole.