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accelerator
has definitions from the fields of high energy physics,biology,chemistry
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[ noun ] a pedal that controls the throttle valve
Synonyms Examples "he stepped on the gas" Used in print (Dolores Hitchens, Footsteps in the Night....)Putting the key into the switch , pressing the accelerator with his foot , putting the car into reverse , seemed vast endeavors almost beyond the ability of his shaking body . (Ralph J. Salisbury, "On the Old Santa Fe Trail...)I let_up on the accelerator , only to gradually reach again the 60 m._p._h. which would , I hoped , overhaul Herry and the blonde , and as there were cars whose drivers apparently had something more important to catch than had I , Mrs._Major_Roebuck settled_down to practicing on Corporal_Johnson the kittenish wiles she would need when making her duty call on Colonel and Mrs. Somebody in Sante_Fe . Related terms |
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[ noun ] a valve that regulates the supply of fuel to the engine
Synonyms Used in print (Arthur Miller, "The Prophecy," in The Best...)Now she kept herself protectively ready to laugh again and sure_enough he pointed at her with his index_finger and said `` Toot '' ! once_more and roared_off into the fog , his foot evidently surprising him with the suddenness with which it pressed the accelerator , just as his hand did when he worked . Related terms |
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[ noun ] (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
Synonyms Related terms anticatalyst activator enzyme platinum_black biocatalyst chemistry |
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[ noun ] (high energy physics) a scientific instrument that increases the kinetic energy of charged particles
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