Treated with or containing chlorine; having undergone chlorination to kill microorganisms and make safe for consumption or use.
Past participle of chlorinate, formed by adding -ed. This adjective describes the state of having been treated with chlorine through the chemical process.
The distinctive smell you notice in swimming pools isn't actually pure chlorine—it's chloramines, compounds formed when chlorine reacts with sweat and urine, which is why a strong 'chlorine' smell actually means poor water sanitation.
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