Chlorinating is commonly used to refer to the process of adding chlorine to water or other substances to kill bacteria and parasites. However, there are several other words that can also be used to describe this process, including disinfecting, sanitizing, purifying, and treating. Disinfecting suggests the removal of harmful microorganisms from surfaces or equipment, while sanitizing usually refers to the cleaning of hands or surfaces to prevent the spread of germs. Purifying is a more general term that implies the removal of impurities or pollutants, while treating refers to the application of chemicals or other processes to improve the quality of water or other substances.