adenoma
noun
ad·e·no·ma
ˌa-də-ˈnō-mə 
plural adenomas also adenomata
ˌa-də-ˈnō-mə-tə
: a benign tumor of a glandular structure or of glandular origin
Examples of adenoma in a Sentence
Recent Examples on the Web
Adults with a history of precancerous colon polyps (adenomas) had gut bacteria that remained different from people who’d never had polyps, and some patterns resembled those seen in colorectal cancer.
—
Tom Gavin, EverydayHealth.com, 27 May 2026
Nearly half of the runners' colons exhibited polyps (also called adenomas), which sometimes, but not always, transform into cancer.
—Rachel Raposas, PEOPLE, 22 May 2026
Polyps, called adenomas, are overgrowths that sometimes turn into cancer, according to MD Anderson's website.
—Catherine Dominguez, Houston Chronicle, 12 Feb. 2026
The study also looked at adenomas —polyps that can develop into cancer.
—Dr. Tyler Beauchamp, ABC News, 26 Jan. 2026
Those who reported eating the most ultraprocessed foods (10 servings per day on average) were found to have a 45% higher risk of developing adenomas compared to those who ate the lowest amount (three servings a day).
—Melissa Rudy, FOXNews.com, 14 Nov. 2025
While only about 5% of adenomas are cancerous, about 75% of colorectal cancers start as adenomas, according to the Cleveland Clinic.
—Kaitlin Sullivan, NBC news, 13 Nov. 2025
One type of polyp, called adenomas, is known to increase the chance of cancer.12
3.
—Carrie Madormo, Health, 17 Oct. 2025
Assuming the patients in the various study groups were medically similar, that suggests that physicians accustomed to AI support might miss over a fifth of adenomas without computer assistance!
—Paul Hsieh, Forbes.com, 30 Aug. 2025
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Tom Gavin, EverydayHealth.com, 27 May 2026
Nearly half of the runners' colons exhibited polyps (also called adenomas), which sometimes, but not always, transform into cancer.
—Rachel Raposas, PEOPLE, 22 May 2026
Polyps, called adenomas, are overgrowths that sometimes turn into cancer, according to MD Anderson's website.
—Catherine Dominguez, Houston Chronicle, 12 Feb. 2026
The study also looked at adenomas —polyps that can develop into cancer.
—Dr. Tyler Beauchamp, ABC News, 26 Jan. 2026
Those who reported eating the most ultraprocessed foods (10 servings per day on average) were found to have a 45% higher risk of developing adenomas compared to those who ate the lowest amount (three servings a day).
—Melissa Rudy, FOXNews.com, 14 Nov. 2025
While only about 5% of adenomas are cancerous, about 75% of colorectal cancers start as adenomas, according to the Cleveland Clinic.
—Kaitlin Sullivan, NBC news, 13 Nov. 2025
One type of polyp, called adenomas, is known to increase the chance of cancer.12
3.
—Carrie Madormo, Health, 17 Oct. 2025
Assuming the patients in the various study groups were medically similar, that suggests that physicians accustomed to AI support might miss over a fifth of adenomas without computer assistance!
—Paul Hsieh, Forbes.com, 30 Aug. 2025
Cite this Entry
“Adenoma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adenoma. Accessed 5 Jun. 2026.
Copy CitationMedical Definition
adenoma
noun
ad·e·no·ma
ˌad-ᵊn-ˈō-mə
plural adenomas also adenomata
-mət-ə
: a benign tumor of a glandular structure or of glandular origin
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