helicobacter
noun
hel·i·co·bac·ter
ˈhel-i-kō-ˌbak-tər 
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
Cite this Entry
“Helicobacter.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/helicobacter. Accessed 31 Oct. 2025.
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