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Definition of Accelerator
1. Noun. A pedal that controls the throttle valve. "He stepped on the gas"
Exact synonyms: Accelerator Pedal, Gas, Gas Pedal, Gun, Throttle
Group relationships: Aeroplane, Airplane, Plane, Auto, Automobile, Car, Machine, Motorcar
Generic synonyms: Foot Lever, Foot Pedal, Pedal, Treadle
Derivative terms: Accelerate, Throttle
Group relationships: Aeroplane, Airplane, Plane, Auto, Automobile, Car, Machine, Motorcar
Generic synonyms: Foot Lever, Foot Pedal, Pedal, Treadle
Derivative terms: Accelerate, Throttle
2. Noun. A valve that regulates the supply of fuel to the engine.
Exact synonyms: Throttle, Throttle Valve
Group relationships: Fuel System
Generic synonyms: Valve
Derivative terms: Accelerate, Throttle
Group relationships: Fuel System
Generic synonyms: Valve
Derivative terms: Accelerate, Throttle
3. Noun. (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected.
Exact synonyms: Catalyst
Category relationships: Chemical Science, Chemistry
Generic synonyms: Activator
Specialized synonyms: Biocatalyst, Enzyme, Platinum Black
Antonyms: Anticatalyst
Derivative terms: Catalyze
Category relationships: Chemical Science, Chemistry
Generic synonyms: Activator
Specialized synonyms: Biocatalyst, Enzyme, Platinum Black
Antonyms: Anticatalyst
Derivative terms: Catalyze
4. Noun. A scientific instrument that increases the kinetic energy of charged particles.
Exact synonyms: Atom Smasher, Particle Accelerator
Specialized synonyms: Betatron, Induction Accelerator, Charge-exchange Accelerator, Cockcroft And Walton Accelerator, Cockcroft And Walton Voltage Multiplier, Cockcroft-walton Accelerator, Cockcroft-walton Voltage Multiplier, Collider, Cyclotron, Linac, Linear Accelerator
Generic synonyms: Scientific Instrument
Terms within: Storage Ring
Specialized synonyms: Betatron, Induction Accelerator, Charge-exchange Accelerator, Cockcroft And Walton Accelerator, Cockcroft And Walton Voltage Multiplier, Cockcroft-walton Accelerator, Cockcroft-walton Voltage Multiplier, Collider, Cyclotron, Linac, Linear Accelerator
Generic synonyms: Scientific Instrument
Terms within: Storage Ring
Definition of Accelerator
1. n. One who, or that which, accelerates. Also as an adj.; as, accelerator nerves.
Definition of Accelerator
1. [n -S]
Medical Definition of Accelerator
1. 1. Anything that increases rapidity of action or function. 2. In physiology, a nerve, muscle, or substance that quickens movement or response. 3. A catalytic agent used to hasten a chemical reaction. 4. In nuclear physics, a device that accelerates charged particles (e.g., protons) to high speed in order to produce nuclear reactions in a target, often for the production of radionuclides or for radiation therapy. Synonym: accelerant. Origin: L. Accelerans, pres. P. Of ac-celero, to hasten, fr. Celer, swift (05 Mar 2000)