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English noun: accelerator

1. accelerator (artifact) a pedal that controls the throttle valve


SamplesHe stepped on the gas.


Synonymsaccelerator pedal, gas, gas pedal, gun, throttle


Broader (hypernym)foot lever, foot pedal, pedal, treadle


Part meronymaeroplane, airplane, auto, automobile, car, machine, motorcar, plane

2. accelerator (artifact) a valve that regulates the supply of fuel to the engine


Synonymsthrottle, throttle valve


Broader (hypernym)valve


Part meronymfuel system

3. accelerator (substance) (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected


Synonymscatalyst


Broader (hypernym)activator


Narrower (hyponym)biocatalyst, enzyme, platinum black


Domain categorychemical science, chemistry


Antonymsanticatalyst

4. accelerator (artifact) a scientific instrument that increases the kinetic energy of charged particles


Synonymsatom smasher, particle accelerator


Broader (hypernym)scientific instrument


Narrower (hyponym)betatron, charge-exchange accelerator, Cockcroft and Walton accelerator, Cockcroft and Walton voltage multiplier, Cockcroft-Walton accelerator, Cockcroft-Walton voltage multiplier, collider, cyclotron, induction accelerator, linac, linear accelerator


Part holonymstorage ring









Based on WordNet 3.0 copyright © Princeton University.
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