Definition, Meaning & Synonyms
adrenalin
noun
/əˈdrɛn.ə.lɪn/

Definition
A hormone released from the adrenal glands, often in response to stress, which increases heart rate, blood flow, and energy production.

Examples
- During the intense competition, her adrenalin surged, pushing her to perform at her best.
- He felt a rush of adrenalin as he jumped from the plane.

Meaning
Adrenalin is primarily known for its role in the body’s fight-or-flight response, preparing the body to take action in stressful situations.

Synonyms
- epinephrine
- adrenaline
- stress hormone