salmonella

noun

sal·​mo·​nel·​la ˌsal-mə-ˈne-lə 

plural salmonellae ˌsal-mə-ˈne-(ˌ)lē 

-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

Both had salmonella — signs of poor immune health from being off their mother’s milk — and had to take medication every two hours. —Shi En Kim, AZCentral.com, 20 Feb. 2026

Costco's popular rotisserie chicken is at the center of another lawsuit, this one claiming that a chicken processing plant in Nebraska is afflicted by salmonella contamination, possibly affecting hundreds of millions of the birds sold through the warehouses. —Cheryl V. Jackson, Louisville Courier Journal, 20 Feb. 2026

Costco faces a second lawsuit centered on its rotisserie chicken, as an animal rights nonprofit claimed that a chicken processing plant in Nebraska suffers from salmonella contamination. —James Powel, USA Today, 17 Feb. 2026

What’s going on with the salmonella outbreak? —David J. Neal, Miami Herald, 16 Feb. 2026

Word History

Etymology

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

First Known Use

1913, in the meaning defined above

Rhymes for salmonella

• arabella
• bartonella
• bordetella
• cinderella
• citronella
• columella
• isabella
• klebsiella
• legionella
• mozzarella
• pasteurella
• trichinella

Kids Definition

salmonella

noun

sal·​mo·​nel·​la ˌsal-mə-ˈnel-ə 

plural salmonellae -ˈnel-ē 

-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 

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  or salmonellas or salmonella : any bacterium of the genus Salmonella