Definition of adrenaline in English:

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adrenaline

Pronunciation: /əˈdren(ə)lən/
(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.
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.

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