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pathogenic

adjective

path·​o·​gen·​ic ˌpa-thə-ˈje-nik How to pronounce pathogenic (audio)
Synonyms of pathogenicnext
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 laboratory confirmed a positive result for highly pathogenic avian influenza Monday evening. Christopher Harris, CBS News, 14 Jan. 2026 This virus, known as the H5N1 strain of highly pathogenic avian influenza, was detected in a Walker County facility that housed broiler chickens, which are chickens raised for meat. Drew Kann, AJC.com, 14 Jan. 2026 Most recently, scientists have been monitoring the highly-pathogenic avian influenza H5N1 subtype, or bird flu. Patrick Jackson, The Conversation, 7 Jan. 2026 The paper hypothesizes that the ink persistence and the macrophage death could affect the capacity of these cells to control the spread of pathogenic viruses and bacteria. Jay Kakade december 20, New Atlas, 20 Dec. 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 19 Jan. 2026.

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
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