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.
The team that approves respirators — which assures the equipment can protect against everything from asbestos to airborne pathogens — has been shut down. Will Stone, NPR, 2 May 2025 The proposal includes establishing a pathogen access and benefit-sharing system, building geographically diverse research and development capacities, facilitating the transfer of technology and related knowledge, and establishing a global supply chain and logistics network, among other measures. Joseph Choi, The Hill, 16 Apr. 2025 This includes establishing a pathogen access and benefit sharing system and building geographically diverse research capacities among others. Reuters, CNN Money, 15 Apr. 2025 The challenge with treating this pathogen is its ability to be misidentified as other, less harmful types of candida, and its multidrug resistance. Jenny Lehmann, Discover Magazine, 3 Apr. 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

Browse Nearby Words

Cite this Entry

“Pathogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pathogen. Accessed 13 May. 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

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