Dictionary.com
Thesaurus.com

chlorination

American  
[klawr-uhn-ay-shuhn] / ˌklɔr ənˈeɪ ʃən /

noun

  1. the act or process of chlorinating.


Other Word Forms

  • dechlorination noun
  • over-chlorination noun
  • pre-chlorination noun
  • rechlorination noun
  • superchlorination noun

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

One major obstacle was the tendency of the catalytic system to trigger unwanted chlorination reactions, which created byproducts and reduced efficiency.

From Science Daily • Feb. 27, 2026

If stored water sits too long, it can lose its chlorination, which in turn can allow the growth of harmful pathogens such as the bacteria that cause Legionnaires’ disease.

From Los Angeles Times • Dec. 17, 2025

Local governments have put up sign boards around ponds warning against bathing or swimming and evoked the Public Health Act to enforce regular chlorination of swimming pools and water tanks.

From BBC • Sep. 17, 2025

Other cities followed and the use of chlorination as standard treatment for water disinfection rapidly grew.

From Slate • Jan. 20, 2023

No apology is necessary for the publication of a book on the chlorination of water.

From Chlorination of Water by Race, Joseph