intestinal
adjective
in·tes·ti·nal
in-ˈte-stə-nᵊl 
-ˈtes(t)-nəl,
-ˈte-sᵊn-əl,
British often ˌin-(ˌ)te-ˈstī-nᵊl
1
: affecting, occurring, or living in the intestine
2
: of, relating to, or being the intestine
intestinally
adverb
Examples of intestinal in a Sentence
Recent Examples on the Web
Norovirus, which is an intestinal virus that causes violent vomiting and diarrhea.
—
John Loeppky, Verywell Health, 11 Jan. 2025
The evolutionary immunologist, who works at the University of New Mexico, studies mucosal immune systems in fish to better understand how human versions of these systems, such as our intestinal lining and nasal cavity, work.
—Yasemin Saplakoglu, WIRED, 5 Jan. 2025
The Barcelona study exposed the tiny plastic particles to human intestinal cells and found they were absorbed in large amounts by digestive cells that produce mucus, even making their way into the cells' nuclei, where the DNA is kept.
—Hatty Willmoth, Newsweek, 3 Jan. 2025
The wellness guru believes that the secret to dieting is feeding your gut microbiome, which is the trillions of bacteria, viruses and fungi that inhabit your intestinal tract and bear huge impact on your weight and health.
—Lauren Mechling, Vogue, 25 Dec. 2024
See all Example Sentences for intestinal 
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John Loeppky, Verywell Health, 11 Jan. 2025
The evolutionary immunologist, who works at the University of New Mexico, studies mucosal immune systems in fish to better understand how human versions of these systems, such as our intestinal lining and nasal cavity, work.
—Yasemin Saplakoglu, WIRED, 5 Jan. 2025
The Barcelona study exposed the tiny plastic particles to human intestinal cells and found they were absorbed in large amounts by digestive cells that produce mucus, even making their way into the cells' nuclei, where the DNA is kept.
—Hatty Willmoth, Newsweek, 3 Jan. 2025
The wellness guru believes that the secret to dieting is feeding your gut microbiome, which is the trillions of bacteria, viruses and fungi that inhabit your intestinal tract and bear huge impact on your weight and health.
—Lauren Mechling, Vogue, 25 Dec. 2024
See all Example Sentences for intestinal
Dictionary Entries Near intestinal
Cite this Entry
“Intestinal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/intestinal. Accessed 22 Jan. 2025.
Copy CitationKids Definition
intestinal
adjective
in·tes·ti·nal
in-ˈtes-tən-ᵊl
1
: of or relating to the intestine
2
: affecting or occurring in the intestine
intestinally
adverb
-ē
Medical Definition
intestinal
adjective
in·tes·ti·nal
in-ˈtes-tən-ᵊl, -ˈtes(t)-nəl, -ˈtes-ᵊn-əl, British often ˌin-(ˌ)tes-ˈtīn-ᵊl
1
a
: affecting or occurring in the intestine
intestinal digestion
intestinal catarrh
b
: living in the intestine
the intestinal flora
an intestinal worm
2
: of, relating to, or being the intestine
the intestinal canal
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