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4 definitions found
 for accelerator
From The Collaborative International Dictionary of English v.0.48 :

  Accelerator \Ac*cel"er*a`tor\, n.
     One who, or that which, accelerates. Also as an adj.; as,
     accelerator nerves.
     [1913 Webster]

From WordNet (r) 3.0 (2006) :

      n 1: a pedal that controls the throttle valve; "he stepped on
           the gas" [syn: accelerator, accelerator pedal, gas
           pedal, gas, throttle, gun]
      2: a valve that regulates the supply of fuel to the engine [syn:
         accelerator, throttle, throttle valve]
      3: (chemistry) a substance that initiates or accelerates a
         chemical reaction without itself being affected [syn:
         catalyst, accelerator] [ant: anticatalyst]
      4: a scientific instrument that increases the kinetic energy of
         charged particles [syn: accelerator, particle
         accelerator, atom smasher]

From Moby Thesaurus II by Grady Ward, 1.0 :

  67 Moby Thesaurus words for "accelerator":
     PCV valve, alternator, ammeter, atom smasher, atomic accelerator,
     atomic cannon, bearings, bonnet, boot, brake, bucket seat, bumper,
     camshaft, carburetor, chassis, choke, clutch, connecting rod,
     convertible top, cowl, crank, crankcase, crankshaft, cutout,
     cylinder, cylinder head, dash, dashboard, differential,
     distributor, exhaust, exhaust pipe, fan, fender, flywheel, gear,
     gearbox, gearshift, generator, headlight, headrest, hood, horn,
     ignition, intake, manifold, muffler, parking light,
     particle accelerator, piston, power brakes, power steering,
     radiator, rear-view mirror, seat belt, shock absorber, spark plug,
     speedometer, springs, starter, steering wheel, top, transmission,
     universal, valve, windscreen, windshield

From The Free On-line Dictionary of Computing (30 December 2018) :

      Additional hardware to perform some function faster
     than is possible in software running on the normal CPU.
     Examples include graphics accelerators and floating-point

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