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.
Healthy people infected with salmonella can experience symptoms such as nausea, vomiting, diarrhea or bloody diarrhea, abdominal cramping, and fever. Michele Laufik, Martha Stewart, 6 Jan. 2026 Which brand of dog biscuits is being recalled for salmonella? Marley Malenfant, Austin American Statesman, 2 Jan. 2026 The only way to be sure to kill salmonella and other pathogens is through cooking until the internal temperature reaches at least 145 degrees Fahrenheit (about 63 degrees Celsius) for at least 15 seconds. Katia Hetter, CNN Money, 31 Dec. 2025 While the agency examines some products at ports of entry, those reviews are often cursory; workers cannot manually inspect every import or uncover whether a foreign plant properly cleans its equipment, conducts adequate salmonella testing or has a rat infestation. Annie Waldman, ProPublica, 30 Dec. 2025 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 10 Jan. 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

More from Merriam-Webster on salmonella

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