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Accelerator   /æksˈɛlərˌeɪtər/   Listen
Accelerator

noun
1.
A pedal that controls the throttle valve.  Synonyms: accelerator pedal, gas, gas pedal, gun, throttle.
2.
A valve that regulates the supply of fuel to the engine.  Synonyms: throttle, throttle valve.
3.
(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected.  Synonym: catalyst.
4.
A scientific instrument that increases the kinetic energy of charged particles.  Synonyms: atom smasher, particle accelerator.



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"Accelerator" Quotes from Famous Books



... They stepped on the accelerator and the truck shot forward madly and tore into the town with shells breaking about it. Having escaped thus far they were ready to take another chance on ...
— The War Romance of the Salvation Army • Evangeline Booth and Grace Livingston Hill

... carbonate of lithia as an accelerator, and I have obtained with it rather favorable results. However, in opposition to Mr. Wickers, I have always found that carbonate of lithia, used even in larger doses than those recommended by this author, was not sufficiently ...
— Scientific American Supplement, No. 832, December 12, 1891 • Various

... a great big black car. They went by so fast and I was so tired and hot and—and pretty near swearing mad, I didn't notice the number at all. And they were glaring at me, and I was glaring at them, and then the driver stepped on the accelerator just at a little crook in the road, and the hind wheels skidded about a ton of sand into my face and they were gone, like they were running from a speed cop. I'd much rather have a nice little automatic pony like ...
— Starr, of the Desert • B. M Bower

... beckoned, leading the way. "Dinner will be ready sharp on time twenty minutes late. Not being a married man, Grant, you will not understand that reckoning. You'll have to excuse Mrs. Transley a few minutes; she's holding down the accelerator in the kitchen. Come in; I want you to ...
— Dennison Grant - A Novel of To-day • Robert Stead

... down the pirate ship's ramp, its driver standing on the accelerator. The car knifed through the swirling crowd, barely missing several people, and skidded to a dusty stop directly in ...
— This One Problem • M. C. Pease

... last possible second and then cut his speed sharply. Behind them the other ships were forced to use their retarding rockets for fear of ramming them. It was just what Ben had expected. As the last lock opened he threw the accelerator all the way forward and ...
— Daughters of Doom • Herbert B. Livingston

... his signal Brion reported what they had discovered and his conclusions. "Get that message to Commander Krafft now. I can't wait to talk to him—I'm following the tracks." He killed the transmission and stamped on the accelerator. The sand car churned ...
— Planet of the Damned • Harry Harrison

... earth caused the accident. There seemed to be something the matter with the steering gear. Then I got excited and dizzy and tried to stop the machine. What I think happened was that I put my foot on the accelerator when I meant to put it on the brake. Then when I saw that the car was plunging toward the window, I either fainted or was made unconscious later from the shock. After the first awful crash I didn't know anything more until I woke ...
— The Radio Boys' First Wireless - Or Winning the Ferberton Prize • Allen Chapman

... as the car gathered way, noiselessly slipped the gear shift into the fourth speed and bore heavily on the accelerator. They were making forty miles an hour when they struck the level and ...
— Alias The Lone Wolf • Louis Joseph Vance



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