Definitions for acceleratorækˈsɛl əˌreɪ tər

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Random House Webster's College Dictionary

ac•cel•er•a•torækˈsɛl əˌreɪ tər(n.)

  1. a person or thing that accelerates.

  2. a device, usu. operated by the foot, for controlling the speed of a motor vehicle engine.

    Category: Automotive

  3. a substance that increases the speed of a chemical change.

    Category: Chemistry

  4. a muscle, nerve, or activating substance that quickens a movement.

    Category: Anatomy

  5. Category: Physics

    Ref: particle accelerator.

Origin of accelerator:

1605–15

Princeton's WordNet

  1. accelerator, accelerator pedal, gas pedal, gas, throttle, gun(noun)

    a pedal that controls the throttle valve

    "he stepped on the gas"

  2. accelerator, throttle, throttle valve(noun)

    a valve that regulates the supply of fuel to the engine

  3. catalyst, accelerator(noun)

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

  4. accelerator, particle accelerator, atom smasher(noun)

    a scientific instrument that increases the kinetic energy of charged particles

Kernerman English Learner's Dictionary

  1. accelerator(noun)ækˈsɛl əˌreɪ tər

    gas pedal

Wiktionary

  1. accelerator(Noun)

    One who, or that which, accelerates.

  2. accelerator(Noun)

    A device for causing acceleration.

  3. accelerator(Noun)

    A substance which speeds up chemical reactions.

  4. accelerator(Noun)

    An accelerator pedal.

  5. accelerator(Noun)

    A chemical that reduces development time.

  6. accelerator(Noun)

    A device that accelerates charged subatomic particles.

  7. accelerator(Noun)

    A muscle or nerve that speed the performance of an action.

  8. Origin: * First attested in 1611.

Webster Dictionary

  1. Accelerator(noun)

    one who, or that which, accelerates. Also as an adj.; as, accelerator nerves


Translations for accelerator

Kernerman English Multilingual Dictionary

accelerator(noun)

a pedal, lever etc that controls the speed or acceleration of a machine.

Get even more translations for accelerator »


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