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accelerant

[ak-sel-er-uh nt] /ækˈsɛl ər ənt/
noun
1.
something that speeds up a process.
2.
Chemistry, accelerator (def 5).
3.
a substance that accelerates the spread of fire or makes a fire more intense:
Arson was suspected when police found accelerants at the scene of the fire.
Origin of accelerant
1915-1920
1915-20; < Latin accelerant- (stem of accelerāns) hastening (present participle of accelerāre). See accelerate
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for accelerant

accelerant

/ækˈsɛlərənt/
noun
1.
(chem) another name for accelerator (sense 3)
Word Origin
C20: from Latin from accelerāns, present participle of accelerāre to go faster
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for accelerant
n.

1854, from Latin accelerantem (nominative accelerans), present participle of accelerare (see accelerate). As an adjective from 1890.

Online Etymology Dictionary, © 2010 Douglas Harper
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accelerant in Medicine

accelerant ac·cel·er·ant (āk-sěl'ər-ənt)
n.
Accelerator.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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accelerant in Science
accelerant
  (āk-sěl'ər-ənt)   
A substance, such as a petroleum distillate, that is used as a catalyst, as in spreading an intentionally set fire.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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0
18
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