type 1 diabetes

noun

ˈtīp-ˈwən- 

: a form of diabetes mellitus that usually develops during childhood or adolescence and is characterized by a severe deficiency in insulin secretion resulting from atrophy of the islets of Langerhans and causing hyperglycemia and a marked tendency toward ketoacidosis

called also insulin-dependent diabetes, insulin-dependent diabetes mellitus, type 1 diabetes mellitus

Examples of type 1 diabetes in a Sentence

Recent Examples on the Web

Symptoms of type 1 diabetes can include excessive thirst and hunger, frequent urination, unexplained weight loss, fatigue, blurred vision and slow healing of cuts and sores. —Angelica Stabile, FOXNews.com, 28 May 2025

Between 2020 and 2023, roughly 17% of obese youth and almost 27% of obese adults with type 1 diabetes were prescribed GLP-1s, according to the new study. —Julia Ries, Health, 9 Apr. 2025

People with type 1 diabetes make little to no insulin because their bodies mistakenly attack cells in the pancreas that produce insulin. —Danielle Weiss, Verywell Health, 19 Mar. 2025

These monitors are extensively used among people with diabetes – especially those with type 1 diabetes who are on insulin, experts say. —Shiv Sudhakar, Fox News, 3 Feb. 2025

Word History

First Known Use

1982, in the meaning defined above

Medical Definition

type 1 diabetes

noun

ˌtīp-ˈwən- 

: diabetes of a form that usually develops during childhood or adolescence and is characterized by a severe deficiency of insulin secretion resulting from atrophy of the islets of Langerhans and causing hyperglycemia and a marked tendency toward ketoacidosis

called also insulin-dependent diabetes, insulin-dependent diabetes mellitus, juvenile diabetes, juvenile-onset diabetes, type 1 diabetes mellitus