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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
The output of this test is a strip with a series of bands that indicate how the pathogen reacts to different medications.
—IEEE Spectrum, 19 Dec. 2024
Not only that, the extra mucus production also creates a flow to help wash the pathogens away, Chandra said.
—Korin Miller, Health, 18 Dec. 2024
Microbiome diversity is known to affect host fitness: low diversity can lead to immune issues and poor nutrient absorption, whilst high diversity can boost resilience to stress and pathogens.
—Grrlscientist, Forbes, 16 Dec. 2024
The simplest way to think of the difference between cleaning and disinfecting is that cleaning eliminates contaminants like dirt, grease, or food, while disinfecting eliminates pathogens, including bacteria, fungi, and viruses.
—Jolie Kerr, Better Homes & Gardens, 12 Dec. 2024
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Word History
Etymology
patho- + -gen, after pathogenic, pathogenesis
First Known Use
1880, in the meaning defined above
Dictionary Entries Near pathogen
Cite this Entry
“Pathogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pathogen. Accessed 23 Dec. 2024.
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
: a specific causative agent (as a bacterium or virus) of disease
More from Merriam-Webster on pathogen
Britannica English: Translation of pathogen for Arabic Speakers
Britannica.com: Encyclopedia article about pathogen
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