Word Study
accelerator
CIDE DICTIONARY
accelerator, n.
One who, or that which, accelerates. Also as an adj.; as, accelerator nerves. [1913 Webster]
OXFORD DICTIONARY
accelerator, n.
1 a device for increasing speed, esp. the pedal that controls the speed of a vehicle's engine.
2 Physics an apparatus for imparting high speeds to charged particles.
3 Chem. a substance that speeds up a chemical reaction.
1 a device for increasing speed, esp. the pedal that controls the speed of a vehicle's engine.
2 Physics an apparatus for imparting high speeds to charged particles.
3 Chem. a substance that speeds up a chemical reaction.
THESAURUS
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, windshieldFor further exploring for "accelerator" in Webster Dictionary Online