salmonella

noun

sal·​mo·​nel·​la ˌsal-mə-ˈne-lə How to pronounce salmonella (audio)
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
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.
Adults older than 65, pregnant women, and people with weakened immune systems should avoid egg coffee because raw eggs pose a salmonella risk. Emily Kay Votruba, EverydayHealth.com, 6 Apr. 2026 Milk from Raw Farm was tied to dozens of salmonella cases in 2024, and the company did issue a voluntary recall. Erika Edwards, NBC news, 27 Mar. 2026 Raw milk can carry a host of harmful bacteria, such as salmonella, E. coli, listeria and Staphylococcus aureus, among several others. Mary Walrath-Holdridge, USA Today, 27 Mar. 2026 What are the symptoms of salmonella? Gma Team, ABC News, 17 Mar. 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 12 Apr. 2026.

Kids Definition

salmonella

noun
sal·​mo·​nel·​la ˌsal-mə-ˈnel-ə How to pronounce salmonella (audio)
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
sal·​mo·​nel·​la ˌsal-mə-ˈnel-ə How to pronounce salmonella (audio)
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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