disinfection

noun
dis·​in·​fec·​tion | \ ˌdis-in-ˈfek-shən How to pronounce disinfection (audio) \
plural disinfections

Definition of disinfection

: 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

First Known Use of disinfection

1722, in the meaning defined above

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The first known use of disinfection was in 1722

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Dictionary Entries Near disinfection

disinfecting candle

disinfection

disinfective

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Cite this Entry

“Disinfection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disinfection. Accessed 5 Aug. 2021.

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More from Merriam-Webster on disinfection

Britannica English: Translation of disinfection for Arabic Speakers

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