The word "chlorinated" means that something has been treated or combined with chlorine, which is a chemical often used to clean and disinfect. Full definition
For instance I am currently not swimming because I don't wish to swim in chlorinated water at my local public pool. (supernaturalacnetreatment.com)
And with these bare hairs if you jump in chlorinated pool water you may make your scalp dry and itchy. (indianfashionandlifestyle.com)
After about 30 to 40 minutes of splashing about in chlorinated waters of the Banyan Bay Hotel pool, we were all set and ready to load up in the boat and head out to the second largest barrier reef in the world! (uponarriving.com)