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.
Highly pathogenic avian influenza is also known as HPAI. Katie Wiseman, IndyStar, 17 Oct. 2025 Because of its recent rapid evolution and detection in cattle in the U.S., the highly pathogenic bird flu is particularly concerning, Lewis, the Worldwide Influenza Centre director, told the WHO last year. Miranda Jeyaretnam, Time, 10 Oct. 2025 In the first two months of 2025, tens of millions of birds were affected by highly pathogenic avian influenza across 39 states, according to U.S. Department of Agriculture data. Claire Malon, Boston Herald, 17 Sep. 2025 Excess water in the root zone is also an invitation to pathogenic organisms, especially water molds, Phytophthora notable among them. Joshua Siskin, Oc Register, 13 Sep. 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 20 Oct. 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

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