epinephrin
/ˌɛpɪˈnɛfrɪn/
noun
- A hormone produced by the body that prepares it for quick action in stressful situations; also used as a medicine to treat severe allergic reactions.
- Epinephrin is sometimes called adrenaline because it gives you a burst of energy.
- When the hiker saw the bear, her body released epinephrin, making her heart race.
- The doctor gave the patient an epinephrin injection to stop the allergic reaction.
Synonyms