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
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The achievement kicked off an age of discovery in genetics, with researchers racing to decode the genomes of other pathogens—and eventually animals.
—
Claire Cameron, Scientific American, 30 Apr. 2026
Venter worked with Nobel laureate Hamilton Smith to sequence the bacterium Haemophilus influenzae, which resulted in a new vaccine for ear infections and is helping scientists understand how pathogens evolve.
—Gary Robbins, San Diego Union-Tribune, 30 Apr. 2026
Just as evolutionary biologists can reconstruct the branching history of a species from its genome, Astromech's engine is intended to explore potential future scenarios for pathogen or tumor evolution under therapeutic pressure.
—Matthew Kayser, USA Today, 29 Apr. 2026
Fungicides, for instance, are used to suppress disease-causing pathogens like blights and leaf spots, but might also impact beneficial microbes that live in flowers.
—Miri Talabac, Baltimore Sun, 28 Apr. 2026
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Claire Cameron, Scientific American, 30 Apr. 2026
Venter worked with Nobel laureate Hamilton Smith to sequence the bacterium Haemophilus influenzae, which resulted in a new vaccine for ear infections and is helping scientists understand how pathogens evolve.
—Gary Robbins, San Diego Union-Tribune, 30 Apr. 2026
Just as evolutionary biologists can reconstruct the branching history of a species from its genome, Astromech's engine is intended to explore potential future scenarios for pathogen or tumor evolution under therapeutic pressure.
—Matthew Kayser, USA Today, 29 Apr. 2026
Fungicides, for instance, are used to suppress disease-causing pathogens like blights and leaf spots, but might also impact beneficial microbes that live in flowers.
—Miri Talabac, Baltimore Sun, 28 Apr. 2026
See All Example Sentences for pathogen
Cite this Entry
“Pathogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pathogen. Accessed 2 May. 2026.
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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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