noun

Adrenalin is a hormone and neurotransmitter that is released by the adrenal glands in response to stress. In English, it is also referred to as epinephrine.

Example

1. She felt her heart racing with adrenalin when she heard the news.
2. His adrenalin was pumping as he prepared to make the jump.
3. The rush of adrenalin gave him the strength to keep going.