pathogen

noun

path·​o·​gen ˈpa-thə-jən How to pronounce pathogen (audio)
: a specific causative agent (such as a bacterium or virus) of disease

Examples of pathogen 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.
Emerging, re-emerging, and evolving pathogens continue to threaten society. Juan Manuel Santos, TIME, 28 Jan. 2025 As pathogens become more resistant to existing antibiotics, researchers are hard at work trying to develop new ones. Sarah Kuta, Smithsonian Magazine, 27 Jan. 2025 These pathogens typically make their way into your body via small cuts or rug burns. Melanie Radzicki McManus, CNN, 25 Jan. 2025 Such an approach could also be a safeguard against wider population exposure to pathogens from lab accidents which may ensue from the inventory research. Saleem H. Ali, Forbes, 22 Jan. 2025 See all Example Sentences for pathogen 

Word History

Etymology

patho- + -gen, after pathogenic, pathogenesis

First Known Use

1880, in the meaning defined above

Time Traveler
The first known use of pathogen was in 1880

Dictionary Entries Near pathogen

Cite this Entry

“Pathogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pathogen. Accessed 6 Feb. 2025.

Kids Definition

pathogen

noun
patho·​gen
ˈpath-ə-jən
: a germ (as a bacterium or virus) that causes disease

Medical Definition

pathogen

noun
patho·​gen ˈpath-ə-jən How to pronounce pathogen (audio)
: a specific causative agent (as a bacterium or virus) of disease

More from Merriam-Webster on pathogen

Last Updated: - Updated example sentences
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