adrenaline; epinephrine
Refers to the hormone adrenaline, often in medical, biological, or figurative contexts about excitement or stress.
When you sense danger, adrenaline is released in the body.
He kept running with adrenaline pumping.
Before the match I felt nervous and could sense the adrenaline kicking in.
When you sense danger, adrenaline is secreted in your body.
The doctor administered an adrenaline injection for the allergic reaction.