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

These comprised 36 autoimmune disorders (including type 1 diabetes and juvenile arthritis), nine atopic or allergic disorders (including asthma, eczema and allergy), and five neurodevelopmental disorders (including autism spectrum disorder and ADHD). —New Atlas, 15 July 2025

Type 1 diabetes toddler reveals stunning details of his health condition Bain Brandon, a baby who was diagnosed with type 1 diabetes last year, explains his condition to his mom, Marlee. —Angelica Stabile, FOXNews.com, 28 May 2025

Those who take insulin or another medication to treat type 1 diabetes may occasionally need to eat a snack before bedtime in order to prevent or treat low blood sugar, according to the Mayo Clinic. —Hannah Yasharoff, USA Today, 25 June 2025

However, in autoimmune diseases such as type 1 diabetes and rheumatoid arthritis, T cells can either directly harm the body’s own tissues or act as helper cells that enable other immune cells to produce antibodies that attack the body. —New Atlas, 19 June 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