Ma'anar ƙamus na kalmar "chlorination" shine tsarin ƙara chlorine ko chlorine a cikin wani abu, yawanci ruwa, don kashewa ko tsarkake shi. Ana amfani da sinadarin Chlorination a matsayin hanyar magance ruwan sha don kawar da kwayoyin cuta da ƙwayoyin cuta masu cutarwa, da kuma magance ci gaban algae da kawar da wari da dandano. Chlorination kuma yana iya komawa ga tsarin ƙara chlorine ko chlorine a cikin wasu kayan, kamar karafa ko robobi, don sa su zama masu juriya ga lalata ko wasu nau'ikan lalacewa.