What does adrenaline or adrenalin mean?
The definition of adrenaline and adrenalin
Ad*re”nal*ine, n. Also Ad*re”nal*in. (Physiol. Chem.)
A crystalline substance, C9H13O3N, obtained from suprarenal extract, of which it is regarded as the active principle. It is used in medicine as a stimulant and hemostatic.