: 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
See salmonella defined for English-language learners
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
pluralsal·mo·nel·lae\-ˈnel-ē\orsal·mo·nellasorsal·mo·nella: any bacterium of the genus Salmonella
Biographical Note for SALMONELLA
Salm·on\ˈsam-ən\ , Daniel Elmer(1850–1914), American veterinarian. For the greater part of his career Salmon was associated with the United States Department of Agriculture, having joined the department to investigate diseases of domestic animals, especially Texas fever. He later founded and became chief of the Bureau of Animal Industry. In 1900 the genus Salmonella of bacteria was named after him.