chlorinatePronunciation: /ˈklɔːrɪneɪt, ˈklɒ-/Definition of chlorinate verb [with object] (usually as adjective chlorinated) impregnate or treat with chlorine:chlorinated water Chemistry introduce chlorine into (a compound):rainwater samples contained chlorinated hydrocarbonsDerivatives chlorination noun chlorinator noun chlorinate in other Oxford dictionaries Definition of chlorinate in the US English dictionary