• WordNet 3.6
    • n adrenaline a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action
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Webster's Revised Unabridged Dictionary
  • Interesting fact: When someone commits suicide while jumping off a building, so much adrenaline builds up that you have a heart attack and die before hitting the ground. Thus making this way of commiting usicide basically the easiest.
    • Adrenaline (Physiol. Chem) a hormone secreted by the adrenal medulla that acts as a powerful stimulant in reponse to fear or stress; it stimulates autonomic nerve action. It can be obtained as a crystalline substance, C9H13NO3. It is used in medicine as a vasoconstrictor (hemostatic) and cardiac stimulant, also to reduce allergic reactions and to stimulate the heart in cases of cardiac arrest.
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In literature:

Thinking himself in a net where there was no extrication he experienced the adrenalin of bravado.
"Corpus of a Siam Mosquito" by Steven Sills
She had the perky, jaunty quality of someone who could instruct her nervous system to manufacture endorphin and adrenaline at will.
"Down and Out in the Magic Kingdom" by Cory Doctorow
Adrenalin and turpentine are the most useful drugs for this purpose.
"Manual of Surgery" by Alexis Thomson and Alexander Miles
But all enthusiasm was individual property, the reaction of single persons with excess adrenalin.
"Greener Than You Think" by Ward Moore
This imbalance could result from a poverty of circulating adrenalin which is necessary for the activation of the sympathetic nerves.
"Benign Stupors" by August Hoch
His heart beat wildly, and the tension of adrenalin ran through his body.
"Category Phoenix" by Boyd Ellanby
I was only slowly returning to reality, and it took me a few moments to form a coherent answer through all the adrenaline surging into my brain.
"Life Blood" by Thomas Hoover
He was feeling nothing, only a surge of adrenaline and the certain knowledge he had to get out fast, with the Uzi.
"Project Cyclops" by Thomas Hoover
He tried to control his breathing, straining to hear as the adrenaline continued to pump.
"Project Daedalus" by Thomas Hoover
Ally sensed herself being knocked to the floor, but she also felt a surge of adrenaline.
"Syndrome" by Thomas Hoover

In news:

'An Adrenaline Junkie's Dream': Fireworks Pros Light Up The Skies.
You're quietly sipping coffee at the kitchen table when a herd of adrenaline- spiked kids stampedes toward the door.
"It made my adrenaline pump really high.".
But, he sure did get an adrenaline rush.
For most sales teams, I'd venture to say it's 10% adrenaline-fueled excitement, and 90% utter torture.
Hundreds of gamblers have stood outside the casino cage, adrenaline still pumping from their big win, only to be told the thousands of dollars they are there to collect have been confiscated -- for their kids.
"I just kind of love speed, and the adrenaline rush of being fast".
Just as many fans got too excited Tuesday -- perhaps because the NHL injected some adrenaline into a stagnant negotiation with a surprise offer -- some people were ready to jump off the deep end Thursday.
Disturbed 's John Moyer Joins Super Group Adrenaline Mob.
Adrenaline Mob Tap Disturbed 's John Moyer as New Bassist.
Adrenaline Mob, the band featuring ex-Dream Theater drummer Mike Portnoy along with guitarist Mike Orlando and vocalist Russell Allen, have now added Disturbed bassist John Moyer to their lineup.
"I think adrenaline sometimes allows players to continue to play after they've had an injury," Coach Jason Garrett said Monday.
You're selling fun, adrenalin, freedom — or some other emotion or experience.
The sun sets as people wait to ride the Big Wheel and Adrenaline Rush at the Gwinnett County Fair .
The threat of a hurricane was soon to inspire an adrenaline rush for the people of South Florida.