Kalmar "deionize" ba daidaitacciyar kalma ce da ake samu a yawancin ƙamus ba. Duk da haka, ana iya kasu kashi biyu: "de-" da "ionize.""Ionize" yana nufin tsarin canza atom ko kwayoyin halitta zuwa ions ta hanyar ƙara ko cire electrons. Ions ana cajin barbashi waɗanda suka samu ko suka rasa electrons, yana haifar da ƙarin cajin tabbatacce ko mara kyau. Don haka, bisa ga waɗannan ɓangarorin, ana iya fahimtar "deionize" azaman aikin juyawa ko cire ions, ko rage ma'aunin ion a cikin wani abu. Kalma ta keɓe, ana amfani da ita a cikin mahallin fasaha, musamman a fagen kula da ruwa. A cikin wannan mahallin, "deionization" yana nufin tsarin da ke kawar da narkar da ions daga ruwa, yawanci ta hanyar amfani da resins na ion ko wasu hanyoyi na musamman.