Adrenaline
Pronunciation: /əˈdrɛnələn/
Adrenaline (noun)
- A hormone made by the body that increases alertness and speeds up the heart during fear or excitement.
- A strong feeling of excitement and energy that comes when you are scared or thrilled.
Examples
- Stress can release adrenaline in the body.
- When danger appears, the body produces adrenaline quickly.