To combine or treat with chlorine.
Sterilisation by adding chlorine.
Addition of small amounts of a compound of chlorine (e.g., chlorine dioxide) into a water supply to kill organisms that might otherwise cause disease.
The addition of noninjurious traces of chlorine (often one part million) to water supplies before human consumption to insure that disease-causing organisms are destroyed.
The addition of chlorine or one of its derivatives to water, to kill microorganisms. For effective disinfection, a concentration of 0.5 to 1 part chlorine per million parts water is necessary. Some studies have suggested an association (but not a causal link) between the chlorination of drinking water and the incidence of cancers and birth defects.
The process of saturating with chlorine, employed in public baths to disinfect water and occasionally used for sterilizing drinking water.