单词	accelerator
释义	accelerator noun ac·​cel·​er·​a·​tor ik-ˈse-lə-ˌrā-tər  ak- plural accelerators : one that accelerates: such as a : a muscle or nerve that speeds the performance of an action b : a device (such as a gas pedal) for increasing 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 Example Sentences Recent Examples on the Web To aid the transition, Toyota has retuned the manual car's traction-control system and tweaked the stability control on all 3.0 models to rein in the Supra's tendency to rotate when the driver abruptly lifts off the accelerator in corners. Mike Sutton, Car and Driver, 7 Sep. 2022 For some people, quiet quitting is just taking a foot off the accelerator. Allison Morrow, CNN, 22 Aug. 2022 One-pedal driving, which halts the vehicle when the driver lifts off the accelerator. Mark Phelan, Detroit Free Press, 18 July 2022 Chad Kirchner, editor-in-chief of website EV Pulse, noted that EV drivers who are skilled at one-pedal driving (releasing on and off the accelerator) rarely use the brake pedal. Bymorgan Korn, ABC News, 2 Apr. 2022 Lamia previously developed a version of The Perfect Couple at Fox in 2019 under the broadcast network’s SideCar content accelerator, headed by Gail Berman. Rick Porter, The Hollywood Reporter, 25 Aug. 2022 Seventeen of those investments were part of a new startup-accelerator program launched this year, the firm said in May. Sequoia also in July closed $2.25 billion in new funding, the person familiar said. Heather Somerville, WSJ, 31 July 2022 Semiconductor manufacturing and a host of other high-tech activities–from nuclear fusion to drone transportation to particle-accelerator research–stand to get a boost from a bill now headed to President Biden for his signature. Rob Pegoraro, PCMAG, 29 July 2022 In April, scientists at the European Organization for Nuclear Research, or CERN, restarted their particle accelerator – the world's largest and most powerful accelerator – after a three-year hiatus. Sudiksha Kochi, USA TODAY, 26 July 2022 See More Word History Etymology accelerate + -or entry 1 First Known Use 1611, in the meaning defined above Phrases Containing accelerator linear accelerator particle accelerator accelerator mass spectrometry linear accelerator particle accelerator accelerator mass spectrometry Kids Definition accelerator noun ac·​cel·​er·​a·​tor ak-ˈse-lə-ˌrā-tər  : a pedal in an automobile for controlling the speed of the motor Medical Definition accelerator noun ac·​cel·​er·​a·​tor ik-ˈsel-ə-ˌrāt-ər, ak-  : 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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