ac·cel·er·ate

[ak-sel-uh-reyt] verb, ac·cel·er·at·ed, ac·cel·er·at·ing.
verb (used with object)
1.
to cause faster or greater activity, development, progress, advancement, etc., in: to accelerate economic growth.
2.
to hasten the occurrence of: to accelerate the fall of a government.
3.
Mechanics. to change the velocity of (a body) or the rate of (motion); cause to undergo acceleration.
4.
to reduce the time required for (a course of study) by intensifying the work, eliminating detail, etc.
verb (used without object)
5.
to move or go faster; increase in speed.
6.
to progress or develop faster.
00:10
Accelerating is always a great word to know.
So is slumgullion. Does it mean:
a chattering or flighty, light-headed person.
a stew of meat, vegetables, potatoes, etc.

Origin:
1515–25; < Latin accelerātus speeded up (past participle of accelerāre), equivalent to ac- ac- + celer swift + -ātus -ate1

ac·cel·er·a·ble, adjective
ac·cel·er·at·ed·ly, adverb
o·ver·ac·cel·er·ate, verb, o·ver·ac·cel·er·at·ed, o·ver·ac·cel·er·at·ing.
re·ac·cel·er·ate, verb, re·ac·cel·er·at·ed, re·ac·cel·er·at·ing.
self-ac·cel·erat·ing, adjective
un·ac·cel·er·at·ed, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To Accelerating
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World English Dictionary
accelerate (ækˈsɛləˌreɪt) [Click for IPA pronunciation guide]
 
vb
1.  to go, occur, or cause to go or occur more quickly; speed up
2.  (tr) to cause to happen sooner than expected
3.  (tr) to increase the velocity of (a body, reaction, etc); cause acceleration
 
[C16: from Latin accelerātus, from accelerāre to go faster, from ad- (intensive) + celerāre to hasten, from celer swift]
 
ac'celerable
 
adj
 
ac'celerative
 
adj
 
ac'celeratory
 
adj

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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Etymonline
Word Origin & History

accelerate
1520s, from L. acceleratus, pp. of accelerare "to hasten, to quicken," from ad- "to" + celerare "hasten," from celer "swift" (see celerity).
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
Less obvious is their role in accelerating the crash.
Suddenly, the device started to emit an accelerating beeping noise.
Evidence for an accelerating universe continues to pile up.
For instance, the theory might explain why the expansion of the universe seems
  to be accelerating rather than diminishing.
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