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accelerator

ac·cel·er·a·tor

accelerator

 
pronunciation:
ihk se lr eI tr
features:
Word Combinations (noun)
part of speech: noun
definition 1: a mechanical device that regulates the speed of something, esp. the gas pedal of a car.
definition 2: in nuclear physics, a device that creates high-energy particles by acceleration through electrostatic or electromagnetic means, used for research.
definition 3: someone or something that accelerates.
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