accelerator

accelerator
    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}]
    

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

accelerator

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

   (1994-11-08)
    

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