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

His doctors then ordered him to take three to four weeks to recuperate, saying his shows are too physically strenuous and his recovery is complicated by his lifelong type 1 diabetes. — Madeline Bartos, CBS News, 24 Aug. 2026

Additionally, animals with the conditions may have other issues like type 1 diabetes, rare in dogs. — Greta Cross, USA Today, 31 July 2026

On July 21, Giudici Lowe shared that her son Isaiah had recently been diagnosed with type 1 diabetes, posting the life update on Instagram. — Hannah Sacks, PEOPLE, 27 July 2026

The House of Guinness star has spoken at length about managing his type 1 diabetes. — Shelby Stivale, Entertainment Weekly, 22 July 2026

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