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acarology
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accelerator

ac·cel·er·a·tor [ ak séllə ràytər ] (plural ac·cel·er·a·tors)


noun 
Definition:
 
1. speed-increasing control: a pedal or other control mechanism used to cause a vehicle to increase speed

2. nuclear physics device for giving particles high velocities: a machine used to increase the velocity, and hence the kinetic energy, of subatomic particles or nuclei, usually in preparation for collision with a target

3. chemistry promoter of chemical reaction: a substance that speeds up a chemical reaction

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