epinephrine
/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.
- The paramedic administered epinephrine to the woman who was having an allergic reaction to a bee sting.
- Epinephrine is released during moments of fear or excitement, giving you a sudden rush of energy.
- People with severe nut allergies often carry an epinephrine auto-injector for emergencies.
Synonyms