helicobacter

noun
hel·​i·​co·​bac·​ter | \ ˈhel-i-kō-ˌbak-tər How to pronounce helicobacter (audio) \

Medical Definition of helicobacter

1 capitalized : a genus of bacteria formerly placed in the genus Campylobacter and including one (H. pylori) associated with gastritis and implicated as a causative agent of gastric and duodenal ulcers
2 : any bacterium of the genus Helicobacter