chlorination
🇺🇸
/ˌklɔːrɪˈneɪʃn/
🇬🇧
/ˌklɔːrɪˈneɪʃn/
The process of adding chlorine to something, usually water, to kill germs and make it safe to drink or use.
The water supply undergoes chlorination to ensure it is clean and safe for consumption.