accelerator accelerator /əkˈsel.ə.reɪ.tər/ aep /-ɚ.eɪ.t̬ɚ/ noun [C]
1 F0 the pedal (= a part that you push with your foot) in a vehicle that makes it go faster Thesaurus+: ↑The interior of vehicles2 F0 SPECIALIZED in physics, a machine that makes particles (= small pieces of matter) move very fast Thesaurus+: ↑Generating and pumping devices |