pathogenic

adjective

path·​o·​gen·​ic ˌpa-thə-ˈje-nik How to pronounce pathogenic (audio)
1
2
: causing or capable of causing disease
pathogenicity noun

Examples of pathogenic 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 highly pathogenic virus has also spread to 989 dairy herds in 17 states since March of last year. Ars Technica, 19 Mar. 2025 In a statement released March 12, the Mississippi Board of Animal Health stated that poultry from a commercial broiler breeder chicken flock in Noxubee County had tested positive for highly pathogenic avian influenza (HPAI). Joseph Choi, The Hill, 17 Mar. 2025 Scientists found that, in this area, the virus that has been killing poultry across North America picked up a mutation from a local, less pathogenic avian influenza virus. Meghan Bartels, Scientific American, 12 Mar. 2025 There is a large body of evidence that, properly applied in dry or liquid form, worm castings deter not only insect pests but pathogenic fungi and nematodes as well. Joshua Siskin, Orange County Register, 8 Mar. 2025 See All Example Sentences for pathogenic

Word History

Etymology

patho- + -genic, after French pathogénique, German pathogenisch

First Known Use

1850, in the meaning defined at sense 1

Time Traveler
The first known use of pathogenic was in 1850

Browse Nearby Words

Cite this Entry

“Pathogenic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pathogenic. Accessed 15 May. 2025.

Kids Definition

pathogenic

adjective
patho·​gen·​ic
ˌpath-ə-ˈjen-ik
: causing or capable of causing disease

Medical Definition

pathogenic

adjective
patho·​gen·​ic -ˈjen-ik How to pronounce pathogenic (audio)
1
2
: causing or capable of causing disease
pathogenic microorganisms
pathogenically adverb

More from Merriam-Webster on pathogenic

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!