ScienceJuly 7, 2026

corticosteroid

/ˌkɔːrtɪkoʊˈstɪrɔɪd/

Definition

A class of steroid hormones used in medicine to reduce inflammation and treat various health conditions.

Etymology

The word is a compound of 'cortex' (referring to the outer layer of the adrenal gland where these hormones are produced) and 'steroid' (a chemical classification). It entered medical terminology in the mid-20th century as synthetic versions were developed for therapeutic use.

In the news

The article cites the use of corticosteroids as a successful example of evidence-based medicine, noting how rigorous research led to their adoption to save the lives of premature babies.

Evidence in action: how science helps us make better decisions

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Physics World

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