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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During the commercial canning or pickling process, bacteria like cyclospora and salmonella are killed off under high heat. — Sophia Beams, Better Homes & Gardens, 24 Sep. 2026 Healthy people infected with salmonella often experience fever, bloody diarrhea, nausea, vomiting and abdominal pain, according to the federal health agency. — Julia Hawkins, Idaho Statesman, 11 Sep. 2026 See list Symptoms of salmonella poisoning Symptoms of salmonella poisoning usually start six hours to six days after ingesting the bacteria. — Mary Walrath-Holdridge, USA Today, 10 Sep. 2026 That’s on top of Taylor Farms recalling fresh jalapenos in 26 states over salmonella concerns. — Sasha Rogelberg, Fortune, 4 Sep. 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 1 Oct. 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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