Definition of accelerator

acceleratornoun

máy gia tốc

/əkˈseləreɪtə(r)//əkˈseləreɪtər/

The word "accelerator" stems from the Latin word "accelerare", meaning "to hasten" or "to speed up". This is a combination of the prefix "ad-", meaning "to" or "towards", and "celer", meaning "swift" or "speedy". The concept of acceleration, meaning a change in velocity, was first defined in the 17th century by Isaac Newton. The word "accelerator" entered the English language in the 19th century and was initially used to refer to any device that caused an increase in speed, like a steam engine governor. Today, it's most commonly associated with the foot pedal in a car that controls engine speed.

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the pedal in a car or other vehicle that you press with your foot to control the speed of the engine

bàn đạp trong ô tô hoặc phương tiện khác mà bạn nhấn bằng chân để kiểm soát tốc độ của động cơ

Example:
  • She put her foot on the accelerator and we sped through the traffic lights.

    Cô ấy nhấn ga và chúng tôi phóng nhanh qua đèn giao thông.

a machine for making elementary particles move at high speeds

một cỗ máy làm cho các hạt cơ bản chuyển động với tốc độ cao

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