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Definition of insulin

insulin

/ˈɪn.sə.lɪn/
in · su · lin
Plural:insulins
•
Adjective:insulinic
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insulin Lexical Profile

insulin Game Scores & Validity

• noun

1

A peptide hormone produced by the beta cells of the pancreatic islets that regulates the metabolism of carbohydrates, fats, and protein by promoting the absorption of glucose from the blood into liver, fat, and skeletal muscle cells.

Example

"After meals, the pancreas releases insulin to help cells absorb glucose from the bloodstream for energy."

2

A synthetic or animal-derived preparation of this hormone administered medically to treat diabetes mellitus.

Example

"Patients with type 1 diabetes must inject insulin daily to manage their blood sugar levels."

• Rhymes for insulin

• Nearby Words

insulation
insulative
insulator
insulin
insult
insulter
insulting

Word Origin & Etymology

Coined in the early 20th century from the Latin 'insula' meaning 'island', in reference to the islets of Langerhans in the pancreas where the hormone is produced, combined with the chemical suffix '-in'.

Cite this Entry

Wordmom. (2026). Definition of Insulin. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/insulin
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