ac·cel·er·a·tor
Audio Help [ak-sel-uh-rey-ter] Pronunciation Key
Audio Help [ak-sel-uh-rey-ter] Pronunciation Key –noun
| 1. | a person or thing that accelerates. |
| 2. | Automotive. a device, usually operated by the foot, for controlling the speed of an engine. |
| 3. | British. any two- or three-wheeled motor vehicle, as a motorcycle or motor scooter. |
| 4. | Photography. a chemical, usually an alkali, added to a developer to increase the rate of development. |
| 5. | Also called accelerant. Chemistry. any substance that increases the speed of a chemical change, as one that increases the rate of vulcanization of rubber or that hastens the setting of concrete, mortar, plaster, or the like. |
| 6. | Anatomy, Physiology. any muscle, nerve, or activating substance that quickens a movement. |
| 7. | Also called atom smasher, particle accelerator. Physics. an electrostatic or electromagnetic device, as a cyclotron, that produces high-energy particles and focuses them on a target. |
| 8. | Economics. acceleration coefficient. |
| Dictionary.com Unabridged (v 1.1) Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006. |
accelerator
To learn more about accelerator visit Britannica.com
| © 2008 Encyclopædia Britannica, Inc. |
| ac·cel·er·a·tor
Audio Help (āk-sěl'ə-rā'tər) Pronunciation Key
n.
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| The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2006 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. |
| accelerator | |
noun | |
| 1. | a pedal that controls the throttle valve; "he stepped on the gas" |
| 2. | a valve that regulates the supply of fuel to the engine |
| 3. | (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected [syn: catalyst] [ant: anticatalyst] |
| 4. | a scientific instrument that increases the kinetic energy of charged particles |
| WordNet® 3.0, © 2006 by Princeton University. |
acˈcelerator noun
a pedal, lever etc that controls the speed or acceleration of a machine
See also: accelerate
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| Kernerman English Multilingual Dictionary, © 2000-2006 K Dictionaries Ltd. |
accelerator hardware
Additional hardware to perform some function faster than is possible in software running on the normal CPU. Examples include graphics accelerators and floating-point accelerators.
(1994-11-08)
| The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe |
Accelerator
Ac*cel"er*a`tor\, n. One who, or that which, accelerates. Also as an adj.; as, accelerator nerves.| Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc. |
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