accelerator

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noun ac·cel·er·a·tor \ ik-ˈse-lə-ˌrā-tər , ak- \

Definition of accelerator

:one that accelerates: such as
a :a muscle or nerve that speeds the performance of an action
b :a device (such as a pedal) for controlling the speed of a motor vehicle engine
c :a substance that speeds a chemical reaction
d :an apparatus for imparting high velocities to charged particles (such as electrons)
e :an item of computer hardware that increases the speed at which a program or function operates
  • a graphics accelerator

Recent Examples of accelerator from the Web

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Origin and Etymology of accelerator


ACCELERATOR Defined for English Language Learners

accelerator

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noun

Definition of accelerator for English Language Learners

  • : a pedal in a vehicle that is pressed down to make the vehicle go faster

  • : a machine that causes charged particles (such as electrons and protons) to move at extremely high speeds


ACCELERATOR Defined for Kids

accelerator

play
noun ac·cel·er·a·tor \ ak-ˈse-lə-ˌrā-tər \

Definition of accelerator for Students

:a pedal in an automobile for controlling the speed of the motor

Medical Dictionary

accelerator

play
noun ac·cel·er·a·tor \ ik-ˈsel-ə-ˌrāt-ər, ak- \

medical Definition of accelerator

:one that accelerates: as
a :a muscle or nerve that speeds the performance of an action
  • a cardiac accelerator
b :a substance that speeds a chemical reaction
c :an apparatus for imparting high velocities to charged particles (as electrons)


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