peptic ulcer

noun

medical
: a painful sore inside the stomach or another part of the digestive system

Dictionary Entries Near peptic ulcer

Cite this Entry

“Peptic ulcer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peptic%20ulcer. Accessed 8 Dec. 2022.

Medical Definition

peptic ulcer

noun
: an ulcer in the wall of the stomach or duodenum resulting from the digestive action of the gastric juice on the mucous membrane when the latter is rendered susceptible to its action (as from infection with the bacterium Helicobacter pylori or the chronic use of NSAIDs)

More from Merriam-Webster on peptic ulcer

Love words? Need even more definitions?

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


The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ