adrenaline
Definition
- n. a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action
Word forms
- Plural
- adrenalines
Example sentences
n.
When I skied down the steep slope, I felt a rush of adrenaline.
化
Adrenaline is often released during stressful situations to prepare the body for action.