dis·​in·​fec·​tion ˌdis-in-ˈfek-shən How to pronounce disinfection (audio)
plural disinfections
: the act of disinfecting something
especially : the process of using a disinfectant to destroy, inactivate, or significantly reduce the concentration of pathogenic agents (such as bacteria, viruses, and fungi)
Both viruses are susceptible to disinfection by a weak solution of chlorine bleach. Margaret Reister
… a virulent strain of antibiotic-resistant bacteria spreads beyond hospital walls, some communities are taking extreme measures such as closing schools for disinfection. Laura Landro

Examples of disinfection in a Sentence

Recent Examples on the Web Farms are required to create a secure area with limited access points around animals, establishing cleaning and disinfection protocols for vehicles and people, and keeping a record of all the people and vehicles that enter the animal zone. Kristen Jordan Shamus, Detroit Free Press, 28 June 2024 The store shut for precautionary disinfection, and the spider got away, never to be heard from again. Alena Botros, Fortune Europe, 22 June 2024 These included problems with hand hygiene practices, personal protective equipment use—including use of gloves—and equipment and environmental cleaning and disinfection at the hospital. Beth Mole, Ars Technica, 1 May 2024 Cunard Cruise Line said that all sick passengers and crew members had been isolated in response to the outbreak and the remaining crew have increased their cleaning and disinfection procedures. David Matthews, New York Daily News, 6 Feb. 2024 See all Example Sentences for disinfection 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'disinfection.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1722, in the meaning defined above

Time Traveler
The first known use of disinfection was in 1722

Dictionary Entries Near disinfection

Cite this Entry

“Disinfection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disinfection. Accessed 18 Jul. 2024.

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