HealthAugust 30, 2026

epinephrine

EP-uh-neh-frin

Definition

A hormone and medication, also known as adrenaline, used to treat severe, life-threatening allergic reactions by quickly opening airways and increasing blood pressure.

Etymology

The word is derived from the Greek 'epi-' (upon) and 'nephros' (kidney), reflecting that it was originally isolated from the adrenal glands, which are situated atop the kidneys.

In the news

The article discusses how school-mandated access to epinephrine significantly improves the speed and rate at which students experiencing anaphylaxis receive life-saving treatment.

Alberta allergy law may offer roadmap for schools nationwide

Read the full article ↗

WestCentralOnline

Related words

Learn a word like this every day

Meet one new word every morning.

Newspoken pulls one carefully chosen word from the day’s news — with a clear definition, context, and light review that makes it stick. Get it on your phone.