A substance that can cause or facilitate the process of ionization, often used in chemical processes or reactions.

आयन बनाने वाला पदार्थ

English Usage: "Chlorine is an effective ionising agent used in water treatment."

Hindi Usage: "क्लोरीन पानी के उपचार में एक प्रभावी आयन बनाने वाला पदार्थ है।"