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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.
EXPANDAlso 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.
COLLAPSEEconomics. acceleration coefficient.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Accelerator
has a plethora of syllables.
So is antidisestablishmentarianism. Does it mean:
| a white, crystalline, water-insoluble, powerful high explosive, C3H6N6O6, used chiefly in bombs and shells. |
| opposition to the withdrawal of state support or recognition from an established church, esp. the Anglican Church in 19th-century England. |
Collins
World English Dictionary
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History
accelerator
1610s, from L. agent noun use of accelerare (see accelerate). Motor vehicle sense is from 1900.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
accelerator ac·cel·er·a·tor (āk-sěl'ə-rā'tər)
n.
One that increases rapidity of action or function.
A nerve, muscle, or substance that quickens movement or response.
A catalyst.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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FOLDOC
Computing Dictionary
accelerator definition
hardwareAdditional 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)
Encyclopedia Britannica
Encyclopedia
accelerator
in the rubber industry, any of numerous chemical substances that cause vulcanization (q.v.) of rubber to occur more rapidly or at lower temperatures. Many classes of compounds act as accelerators, the most important being organic materials containing sulfur and nitrogen, especially derivatives of benzothiazole.
Learn more about accelerator with a free trial on Britannica.com.
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Word Dynamo Rating For Accelerator
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