Definition of adrenaline in English:

adrenaline

Syllabification: a·dren·al·ine
Pronunciation: /əˈdrenl-in
 
/
(also adrenalin)

noun

1A hormone secreted by the adrenal glands, especially in conditions of stress, increasing rates of blood circulation, breathing, and carbohydrate metabolism and preparing muscles for exertion: performing live really gets your adrenaline going Also called epinephrine.
More example sentences
  • Chemicals such as adrenaline, noradrenaline and cortisol are pumped into the bloodstream.
  • It is known that adrenalin is the hormone that frees fatty acids of the adipose tissues.
  • This is due to the liberation of the hormone adrenaline at these times.
1.1 (Adrenalin) trademark The hormone epinephrine extracted from animals or prepared synthetically for medicinal purposes.
More example sentences
  • Chemicals such as adrenaline, noradrenaline and cortisol are pumped into the bloodstream.
  • It is known that adrenalin is the hormone that frees fatty acids of the adipose tissues.
  • This is due to the liberation of the hormone adrenaline at these times.

Origin

early 20th century: from adrenal + -in1.

Definition of adrenaline in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day glee
Pronunciation: gliː
noun
great delight, especially from one's own good fortune…