ACCELERATOR

accelerator, throttle, throttle valve

(noun) a valve that regulates the supply of fuel to the engine

accelerator, particle accelerator, atom smasher

(noun) a scientific instrument that increases the kinetic energy of charged particles

accelerator, accelerator pedal, gas pedal, gas, throttle, gun

(noun) a pedal that controls the throttle valve; “he stepped on the gas”

catalyst, accelerator

(noun) (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected

Source: WordNet® 3.1

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Etymology

Noun

accelerator (plural accelerators)

One who, or that which, accelerates.

A device for causing acceleration.

(chemistry) A substance which speeds up chemical reactions.

(vehicle) A pedal causing the vehicle to accelerate when it is pressed.

(photography) A chemical that reduces development time.

(physics) A device that accelerates charged subatomic particles.

(physiology, medical) A muscle or nerve that speed the performance of an action.

(computing) An accelerator key.

(historical) A light van to take mails between a post office and a railway station.

Synonyms

(accelerator pedal)

• (North America) gas pedal, gas

• throttle

• go pedal

(accelerates subatomic particles)

• particle accelerator

• atom smasher

Anagrams

• retrocaecal

Source: Wiktionary

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Ac*cel"er*a`tor, n.

Definition: One who, or that which, accelerates. Also as an adj.; as, accelerator nerves.

Source: Webster’s Unabridged Dictionary 1913 Edition

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