pathogen
noun
path·o·gen
ˈpa-thə-jən 
: a specific causative agent (such as a bacterium or virus) of disease
Examples of pathogen in a Sentence
Recent Examples on the Web
An invasive species of fish that can live out of water for short periods of time and can carry dangerous pathogens has been found in Eastern Canada, alarming experts.
—
Kathryn Palmer, USA Today, 29 June 2025
Inside the phagosome, this lactate communicates to the neutrophil that bacteria are present and that the antibacterial processes are not sufficient to kill these pathogens.
—Andrew Monteith, The Conversation, 25 June 2025
But other types of pathogens also cause pneumonia, and pneumococcal disease can manifest anywhere in the body.
—Jen Christiansen, Scientific American, 25 June 2025
Lakes, streams, and other natural bodies of water contain pathogens that can sometimes be dangerous to human health.
—Julia Ries, Health, 17 June 2025
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Kathryn Palmer, USA Today, 29 June 2025
Inside the phagosome, this lactate communicates to the neutrophil that bacteria are present and that the antibacterial processes are not sufficient to kill these pathogens.
—Andrew Monteith, The Conversation, 25 June 2025
But other types of pathogens also cause pneumonia, and pneumococcal disease can manifest anywhere in the body.
—Jen Christiansen, Scientific American, 25 June 2025
Lakes, streams, and other natural bodies of water contain pathogens that can sometimes be dangerous to human health.
—Julia Ries, Health, 17 June 2025
See All Example Sentences for pathogen
Cite this Entry
“Pathogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pathogen. Accessed 8 Jul. 2025.
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pathogen
noun
patho·gen
ˈpath-ə-jən
: a specific causative agent (as a bacterium or virus) of disease
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