sal·mo·nel·la | \ˌsal-mə-ˈne-lə \
plural salmonellae\ˌsal-mə-ˈne-(ˌ)lē, -ˌlī \ or salmonellas or salmonella

Definition of 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

But some contain dangerous pathogens that can sicken humans, such as giardia, salmonella and Hepatitis A. The county is not advising against visiting any part of the river, said spokeswoman Kim Nava. Cynthia Hubert, sacbee, "Heading to the American River this week? Here's where E. coli levels are high," 3 July 2018 By the end of this year, labs in all 50 states are expected to also be using genetic sequencing for much more common causes of food poisoning outbreaks, including salmonella and the E. coli bacteria linked to recent lettuce outbreak. Mike Stobbe,, "Disease hunters using DNA to investigate E. coli outbreak linked to romaine lettuce," 30 Apr. 2018 In a recent study at McMaster University, in Ontario, researchers tested a biosensor-equipped patch that can be attached to food packaging to alert consumers of the presence of bacteria like salmonella and E. coli. Sunset, "A Promising New Way to Prevent Food Recalls," 22 Jan. 2018 The cereal is linked to a salmonella outbreak that, so far, has affected 73 people in 31 states, the CDC says. Devon Elizabeth, SELF, "Update: There Are Now 100 Salmonella Cases Linked to Recalled Honey Smacks Cereal," 13 July 2018 The Centers for Disease Control and Prevention says a popular Kellogg's cereal has been linked to a salmonella outbreak that has infected 100 people in 33 states. CBS News, "CDC warning on Kellogg's Honey Smacks: "Do not eat this cereal"," 13 July 2018 The recall of Kellogg’s Honey Smacks cereal has been expanded by the Food and Drug Administration after a salmonella outbreak. Sarah Brookbank,, "Honey Smacks recall: 100 salmonella infections in 33 states," 13 July 2018 Most persons infected with salmonella develop diarrhea, fever and abdominal cramps 12 to 72 hours after being exposed to the bacteria. Rick Barrett, Milwaukee Journal Sentinel, "Salmonella outbreak tied to melons sold at Costco stores, including several in Wisconsin," 19 June 2018 Kellogg's Honey Smacks cereal has been linked to a salmonella outbreak in 31 states. Doug Criss, CNN, "5 things for June 15: FBI report, immigration, Trump Foundation, Argentina, teens," 15 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'salmonella.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of salmonella

1913, in the meaning defined above

History and Etymology for salmonella

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

Keep scrolling for more

Learn More about salmonella

Share salmonella

Statistics for salmonella

Last Updated

30 Aug 2018

Look-up Popularity

Time Traveler for salmonella

The first known use of salmonella was in 1913

See more words from the same year

Keep scrolling for more

More Definitions for salmonella



English Language Learners Definition of salmonella

: a kind of bacteria that is sometimes in food and that makes people sick


sal·mo·nel·la | \ˌsal-mə-ˈnel-ə \

Medical Definition of salmonella 

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

More from Merriam-Webster on salmonella

See words that rhyme with salmonella Encyclopedia article about salmonella

Comments on salmonella

What made you want to look up salmonella? Please tell us where you read or heard it (including the quote, if possible).


to reject or criticize sharply

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
Spell It

Can you spell these 10 commonly misspelled words?

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!