plural salmonellae ˌsal-mə-ˈne-(ˌ)lē How to pronounce salmonella (audio)
-ˌlī
or salmonellas or salmonella
: any of a genus (Salmonella) of usually motile enterobacteria that are pathogenic for humans and other warm-blooded animals and cause food poisoning, gastrointestinal inflammation, typhoid fever, or septicemia

Examples of salmonella in a Sentence

Recent Examples on the Web
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While some of the recalls were initiated at different times, all have been linked to the jalapeño salmonella outbreak. Melina Khan, USA Today, 20 Aug. 2026 The salmonella outbreak linked to tainted jalapeños isn’t over yet, with at least 431 people in 32 states reported sick, the CDC said. Josh Feldman, NBC news, 20 Aug. 2026 Last week, the FDA also upgraded an egg recall to the highest health risk level over potential salmonella contamination. Megan Cerullo, CBS News, 19 Aug. 2026 The problem began in July, when Midwest Poultry Services voluntarily recalled white shell and brown cage-free eggs over potential salmonella enteritidis contamination. Tatiana Sataua, Fortune, 17 Aug. 2026 See All Example Sentences for salmonella

Word History

Etymology

New Latin, from Daniel E. Salmon †1914 American veterinarian

First Known Use

1913, in the meaning defined above

Time Traveler
The first known use of salmonella was in 1913

Browse Nearby Words

Cite this Entry

“Salmonella.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/salmonella. Accessed 21 Aug. 2026.

Kids Definition

salmonella

noun
plural salmonellae -ˈnel-ē How to pronounce salmonella (audio)
-ˌī
or salmonellas or salmonella
: any of a genus of rod-shaped bacteria that cause various illnesses (as food poisoning) in human beings and other warm-blooded animals

Medical Definition

salmonella

noun
1
capitalized : a genus of aerobic gram-negative rod-shaped nonspore-forming usually motile bacteria of the family Enterobacteriaceae that grow well on artificial media and form acid and gas on many carbohydrates but not on lactose, sucrose, or salicin, that are pathogenic for humans and other warm-blooded animals, and that cause food poisoning, acute gastrointestinal inflammation, typhoid fever, and septicemia
2
plural salmonellae -ˈnel-ē How to pronounce salmonella (audio) or salmonellas or salmonella : any bacterium of the genus Salmonella

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