• WordNet 3.6
    • n Adrenalin 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.
    • Adrenalin (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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Century Dictionary and Cyclopedia
    • n Adrenalin The active principle of the adrenal glands, first isolated by a Japanese chemist, Takamine. Its probable formula is C10H13NO3.½H2O. It is practically identical with Abel's epinephrin, and is a powerful heart-stimulant and hemostatic. See adrenal extract.
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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:

'He talked about getting a rush out of it, the adrenalin,' an FBI investigator told the AP.
Drug- fueled 'Savages' is adrenaline rush.
The Glamorous , Adrenaline-Fueled Life of Harriet Quimby.
Profane, bloody, and sophomoric, it's a comic adrenaline rush with a surprisingly sweet heart.
'SSX' proves innovation and adrenaline can go hand in hand .
Last week, WBKO's Brandon Lokits took his adventure to the high speed, high adrenaline sport of paintball.
It seems most people love the adrenaline rush of a manufactured scare, making haunted houses, horror films and TV shows like "Fear Factor" successful franchises.
John Moyer, bassist of Disturbed and Adrenaline Mob, has just released an instructional DVD that coaches aspiring players on how to create 'Modern Metal Bass.
'Adrenaline junkie ' uses stolen weapon in mall shooting.
3 Gift Ideas for the Adrenaline Junkie .
Linda Zvara, Adrenaline Junkie .
The Oscar-winning star of Union Square recounts the adrenaline rush of working on the indie film and explains how audiences can relate to it.
Adrenaline and Adventure Aplenty in Tom Cruise's Latest 'Mission: Impossible'.
Webster Stone, a Hollywood producer, entered the world of museum exhibition creation, with the adrenaline rush he brings to his movies.
Travis Pastrana and his tight-knit, highly-skilled, adrenaline-addicted friends bring their impossible, ridiculous, insane and hysterical adventures to the big screen for the first time.