1
: a break in skin or mucous membrane with loss of surface tissue, disintegration and necrosis of epithelial tissue, and often pus
2
: something that festers and corrupts like an open sore
ulcer
verb
Examples of ulcer in a Sentence
Recent Examples on the Web
The parents took him to the emergency room, and doctors eventually found a stomach ulcer.
—
Becca Longmire, People.com, 22 Oct. 2024
Medications can produce rectal discharge by changing the physiology of your GI tract, causing tissue damage such as ulcers, changing your intestinal microbiota, or through unknown means.
—Anna Giorgi, Verywell Health, 15 Oct. 2024
Cutler's personal health issues, including an ulcer, chronic inflammation, and fatigue, prompted her to explore nutrition and lifestyle changes.
—Hilary Tetenabum, USA TODAY, 4 Oct. 2024
It’s approved by the FDA to treat GERD, duodenal ulcers, and conditions such as Zollinger-Ellison syndrome.
—Ashley Wong, Health, 24 Sep. 2024
See all Example Sentences for ulcer 
Becca Longmire, People.com, 22 Oct. 2024
Medications can produce rectal discharge by changing the physiology of your GI tract, causing tissue damage such as ulcers, changing your intestinal microbiota, or through unknown means.
—Anna Giorgi, Verywell Health, 15 Oct. 2024
Cutler's personal health issues, including an ulcer, chronic inflammation, and fatigue, prompted her to explore nutrition and lifestyle changes.
—Hilary Tetenabum, USA TODAY, 4 Oct. 2024
It’s approved by the FDA to treat GERD, duodenal ulcers, and conditions such as Zollinger-Ellison syndrome.
—Ashley Wong, Health, 24 Sep. 2024
See all Example Sentences for ulcer
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ulcer.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near ulcer
Cite this Entry
“Ulcer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ulcer. Accessed 4 Nov. 2024.
Copy CitationKids Definition
ulcer
noun
ul·cer
ˈəl-sər 
: a slow-healing open sore in which tissue breaks down
Medical Definition
ulcer
1 of 2 noun
ul·cer
ˈəl-sər
: a break in skin or mucous membrane with loss of surface tissue, disintegration and necrosis of epithelial tissue, and often pus
a stomach ulcer
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