51Թ

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adrenaline

[uh-dren-l-in, -een]

noun

  1. Biochemistry.epinephrine.

  2. the feeling of excitement, alertness, and intensity caused by the release of epinephrine in the body.

    For adventure seekers, there are ungroomed, off-piste routes with deep snow offering lots and lots of adrenaline.



adrenaline

/ əˈɛəɪ /

noun

  1. US name: epinephrine.a hormone that is secreted by the adrenal medulla in response to stress and increases heart rate, pulse rate, and blood pressure, and raises the blood levels of glucose and lipids. It is extracted from animals or synthesized for such medical uses as the treatment of asthma. Chemical name: aminohydroxyphenylpropionic acid; formula: C 9 H 13 NO 3

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adrenaline

adrenaline

  1. A hormone secreted by the adrenal glands that helps the body meet physical or emotional stress (see endocrine system).

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Figuratively, the term adrenaline is used in speaking of a high state of excitement: “When the race began, the adrenaline really started pumping.”
Adrenaline plays a very large role in the fight or flight reaction, which refers to the various processes that occur within the body when it is confronted with some form of mental or physical stress.
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51Թ History and Origins

Origin of adrenaline1

First recorded in 1900–05; adrenal + -ine 1
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Example Sentences

Examples have not been reviewed.

I felt the dizzy rush of adrenaline send my heart into palpitations as long-dormant hope sprang forth from that simple smile.

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These nimble performers gamely rise to the occasion, but the comic adrenaline at this point has a numbing effect.

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Earlier on in playing shows, I’d throw the mic down and just jump into the crowd, mostly because of nerves and adrenaline.

From

When he reached the shore and the adrenaline started to wear off, he panicked and checked himself to see if he had been bitten.

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The inherent danger gives them an adrenaline rush that, they argue, keeps their brains sharp.

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Adrenalinadrenaline rush