noradrenalin
/ˌnɔr əˈdrɛn əl ɪn/
noun
- A hormone and neurotransmitter released by the body in response to stress, which increases heart rate, blood pressure, and alertness, preparing the body for action.
- When you feel scared, your body releases noradrenalin to help you react quickly.
- Extreme sports can trigger a rush of noradrenalin, making you feel more alert.
- The doctor explained that noradrenalin helps regulate mood and focus.
Synonyms