[ ak-sel-uh-rey-ter ]
/ 忙k藞s蓻l 蓹藢re瑟 t蓹r /
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In effect, this quiz will prove whether or not you have the skills to know the difference between 鈥渁ffect鈥 and 鈥渆ffect.鈥
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.
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Origin of accelerator

First recorded in 1605鈥15 and in 1930鈥35 for def. 7; accelerate + -or2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2022

How to use accelerator in a sentence

British Dictionary definitions for accelerator

/ (忙k藞s蓻l蓹藢re瑟t蓹) /

a device for increasing speed, esp a pedal for controlling the fuel intake in a motor vehicle; throttle
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
chem 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
economics (in an economy) the relationship between the rate of change in output or sales and the consequent change in the level of investment
anatomy a muscle or nerve that increases the rate of a function
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for accelerator

[ 膬k-s臅l蓹-r膩鈥瞭蓹r ]

One that increases rapidity of action or function.
A nerve, muscle, or substance that quickens movement or response.
A catalyst.
The American Heritage庐 Stedman's Medical Dictionary Copyright 漏 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.