accelerant

[ak-sel-er-uhnt]

ac·cel·er·ant

[ak-sel-er-uhnt]
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:
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. 2012.
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Accelerant is always a great word to know.
So is lye. Does it mean:
a highly concentrated, aqueous solution of potassium hydroxide or sodium hydroxide, or any solution resulting from leaching or percolation
a compound of high molecular weight made by adding many smaller molecules or by condensation smaller molecules with the elimination of water or alcohol
Collins
World English Dictionary
accelerant (ækˈsɛlərənt)
 
n
chem another name for accelerator
 
[C20: from Latin from accelerāns, present participle of accelerāre to go faster]

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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American Heritage
Medical Dictionary

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.
Cite This Source
American Heritage
Science Dictionary
accelerant   (āk-sěl'ər-ənt)  Pronunciation Key 
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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