insulin
noun
in·su·lin
ˈin(t)-s(ə-)lən 
: a protein pancreatic hormone secreted by the beta cells of the islets of Langerhans that is essential especially for the metabolism of carbohydrates and the regulation of glucose levels in the blood and that when insufficiently produced results in diabetes mellitus
Examples of insulin in a Sentence
Recent Examples on the Web
Then there was the notorious case of Eli Lilly’s fake tweet promising free insulin in November 2022.
—
Hec Paris Insights, Forbes, 10 Jan. 2025
When blood sugar starts to rise after a person eats, these medicines cause the body to make more insulin.
—Angel Saunders, People.com, 9 Jan. 2025
Senate Bill 40 would cap copays for insulin at $35 for a month supply, and Senate Bill 41 would regulate pharmacy benefit managers — middlemen that influence the cost and availability of medicines.
—Grant Stringer, The Mercury News, 6 Jan. 2025
Our bodies process carbs differently from fats, for instance; a calorie from corn leads your body to secrete more insulin than a calorie from cheese.
—Dhruv Khullar, The New Yorker, 6 Jan. 2025
See all Example Sentences for insulin 
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Hec Paris Insights, Forbes, 10 Jan. 2025
When blood sugar starts to rise after a person eats, these medicines cause the body to make more insulin.
—Angel Saunders, People.com, 9 Jan. 2025
Senate Bill 40 would cap copays for insulin at $35 for a month supply, and Senate Bill 41 would regulate pharmacy benefit managers — middlemen that influence the cost and availability of medicines.
—Grant Stringer, The Mercury News, 6 Jan. 2025
Our bodies process carbs differently from fats, for instance; a calorie from corn leads your body to secrete more insulin than a calorie from cheese.
—Dhruv Khullar, The New Yorker, 6 Jan. 2025
See all Example Sentences for insulin
Dictionary Entries Near insulin
Cite this Entry
“Insulin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/insulin. Accessed 18 Jan. 2025.
Copy CitationKids Definition
insulin
noun
in·su·lin
ˈin(t)-s(ə-)lən
: a hormone that is produced by the pancreas and is necessary for the normal use of glucose by the body
Medical Definition
insulin
noun
in·su·lin
ˈin(t)-s(ə-)lən
: a protein hormone that is synthesized in the pancreas from proinsulin and secreted by the beta cells of the islets of Langerhans, that is essential for the metabolism of carbohydrates, lipids, and proteins, that regulates blood sugar levels by facilitating the uptake of glucose into tissues, by promoting its conversion into glycogen, fatty acids, and triglycerides, and by reducing the release of glucose from the liver, and that when produced in insufficient quantities results in diabetes mellitus see iletin
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