Definition of accelerator in English:

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accelerator

Pronunciation: /əkˈseləˌrādər/

noun

1A person or thing that causes something to happen or develop more quickly: the country has been the main accelerator of global growth for a decade
More example sentences
  • Smith was frightened enough to move fast - the sound of gunfire was an excellent accelerator.
  • The increase in the performance of graphics accelerators frees additional CPU cycles that can be used for real-time physical world modeling.
  • Does it take advantage of any 3D accelerator cards?
1.1A venture or program that promotes and aids the rapid growth of selected new small businesses: an accelerator for start-up technology companies in Buenos Aires [as modifier]: a record number of women-led start-ups are participating in the accelerator program
More example sentences
  • The 40 companies that have graduated from the accelerator in the past two years have raised an average of over a $1m each.
  • A new agricultural technology business accelerator was officially launched last week out of St. Louis.
  • A big chunk of the talk was spent warning about the proliferation of accelerators and other programs that offer business guidance in exchange for equity.
2A device, typically a pedal, that controls the speed of a vehicle’s engine: he pressed the accelerator to the floor and the taxi shot forward figurative the bank will have its foot on the accelerator until the economy starts to recover
More example sentences
  • When you come to a halt, the car cuts out after a few seconds to preserve energy; the engine then fires again when your foot returns to the accelerator.
  • He stopped speaking suddenly when Carl jammed the van into reverse gear and slammed his foot down on the accelerator pedal.
  • When the driver takes his/her foot off the brake and puts it on the accelerator, the engine re-starts automatically and almost seamlessly.
3 Physics An apparatus for accelerating charged particles to high velocities; a particle accelerator: electron accelerators
More example sentences
  • Physicists learned most of what they know about the fundamental forces of nature by using larger and larger accelerators to smash subatomic particles together.
  • Specializing in accelerators, synchrotron radiation and lasers, each group views these new facilities as a natural development in its respective field.
  • Not only do condensed matter physicists use accelerators, but particle physicists use superconductors and solid-state detectors.
3.1 Chemistry A substance that speeds up a chemical process.
Example sentences
  • Aniline is used in the manufacture of a number of products including dyes, pharmaceuticals, antioxidants, and vulcanization accelerators in rubber compounds.
  • Symptoms, also caused by rubber accelerators and chemical additives, include redness, itching, crusting, and blisters, resembling the reaction to poison ivy or poison oak.
  • The allergic reactions are caused by the presence of residual chemicals, such as accelerators belonging to types of thiuram, thiazoles, and carbonates, which often are used in the manufacture of both latex and synthetic gloves.
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