germicidal

adjective

ger·​mi·​cid·​al ˌjər-mə-ˈsī-dᵊl How to pronounce germicidal (audio)
: of or relating to a germicide
also : destroying germs

Examples of germicidal in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Humans have known for over a hundred years that UV radiation can kill deadly germs, and hospitals have used germicidal 254-nm UVC to sterilize objects for decades. IEEE Spectrum, 8 Mar. 2023 The key goal of using a UV germicidal lamp on a robot relates to its ability to position itself at many locations thus providing wide disinfecting coverage. IEEE Spectrum, 23 Jan. 2023 Some researchers are similarly enthusiastic about the promise of germicidal lighting. Jacob Stern, The Atlantic, 13 Oct. 2022 In those, schools could consider turning to HEPA filters or germicidal UV, Bahnfleth said. Stephanie Gosk, NBC News, 17 Aug. 2022 See All Example Sentences for germicidal

Word History

First Known Use

1870, in the meaning defined above

Time Traveler
The first known use of germicidal was in 1870

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Cite this Entry

“Germicidal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/germicidal. Accessed 22 Apr. 2025.

Kids Definition

germicidal

adjective
ger·​mi·​cid·​al ˌjər-mə-ˈsīd-ᵊl How to pronounce germicidal (audio)
: of or relating to a germicide
also : destroying germs

Medical Definition

germicidal

adjective
ger·​mi·​cid·​al ˌjər-mə-ˈsīd-ᵊl How to pronounce germicidal (audio)
: of or relating to a germicide
also : destroying germs

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