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Definition of: accelerator
(ak·sel′ə·rā′tər) noun
1. One who or that which accelerates.
2. Phot. Any chemical or device for hastening the appearance or development of the picture on an exposed sensitized plate or print.
3. Mech. A device for increasing the speed of a machine.
4. Chem. A substance or agent that quickens the speed of a chemical reaction; a catalyst.
5. Physiol. A muscle or nerve that acts to increase the speed of a function.
6. Physics Any of various devices for accelerating the velocity of subatomic particles by subjecting them to the force of a synchronized electromagnetic field, as a cyclotron or synchrotron.
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