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 The pathogen has since been detected in a growing number of mammals, including cats, dogs, goats and seals. Lauren J. Young, Scientific American, 2 July 2024 This bottle can make 24 ounces of clean drinking water in 8 seconds and can remove waterborne pathogens, pesticides, chemicals, heavy metals and microplastics. Nora Colomer, Fox News, 29 June 2024 During the period when people were avoiding in-person interactions, such pathogens had fewer opportunities to spread. Aria Bendix, NBC News, 21 June 2024 Diagnosing the pathogen with a lab test is crucial for finding the right treatment. Claire Bugos, Verywell Health, 18 June 2024 See all Example Sentences for pathogen 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'pathogen.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 15 Jul. 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 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!