Definition of Accelerator in English :

Define Accelerator in English

Accelerator meaning in English

Meaning of Accelerator in English

Pronunciation of Accelerator in English

Accelerator pronunciation in English

Pronounce Accelerator in English


see synonyms of accelerator


1. accelerator, accelerator pedal, gas, gas pedal, gun, throttle

a pedal that controls the throttle valve

Example Sentences:
'he stepped on the gas'

2. accelerator, throttle, throttle valve

a valve that regulates the supply of fuel to the engine

3. accelerator, catalyst

(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected

4. accelerator, atom smasher, particle accelerator

a scientific instrument that increases the kinetic energy of charged particles

WordNet Lexical Database for English. Princeton University. 2010.


see synonyms of accelerator
a device for increasing speed, esp a pedal for controlling the fuel intake in a motor vehicle; throttle
2. Also called (not in technical usage): atom smasher physics
a machine for increasing the kinetic energy of subatomic particles or atomic nuclei and focusing them on a target
3. chemistry
a substance that increases the speed of a chemical reaction, esp one that increases the rate of vulcanization of rubber, the rate of development in photography, the rate of setting of synthetic resins, or the rate of setting of concrete; catalyst
(in an economy) the relationship between the rate of change in output or sales and the consequent change in the level of investment
5. anatomy
a muscle or nerve that increases the rate of a function

Collins English Dictionary. Copyright © HarperCollins Publishers


see synonyms of accelerator
a person or thing that accelerates or increases the speed of something
; specif.,
a device, such as the foot throttle of an automobile, for increasing the speed of a machine
a nerve or muscle that speeds up a body function
2.  Chemistry
a substance that speeds up a reaction
3.  Nuclear Physics
a betatron, cyclotron, synchrotron, linear accelerator, or similar apparatus that accelerates charged particles to high energies: accelerators are used for experimental purposes
4.  Photography
a chemical that speeds up developing

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


see synonyms of accelerator
1. A device, especially the gas pedal of a motor vehicle, for increasing speed.
2. Chemistry A substance that increases the speed of a reaction.
3. Physics A particle accelerator.
4. Business An organization that provides new businesses with mentoring, funding, and other services and resources, usually for a limited period of a few months, in exchange for equity.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.