ADRENALINE
epinephrine, epinephrin, adrenaline, Adrenalin
(noun) a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action
Source: WordNet® 3.1
Etymology
Noun
adrenaline (usually uncountable, plural adrenalines)
(hormone) epinephrine, the hormone and neurotransmitter.
Source: Wiktionary
Ad*re"nal*ine, n. Also Ad*re"nal*in. (Physiol. Chem.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition