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[def-luh-greyt] /ˈdɛf ləˌgreɪt/
verb (used with or without object), deflagrated, deflagrating.
to burn, especially suddenly and violently.
Origin of deflagrate
1720-30; < Latin dēflagrātus (past participle of dēflagrāre to burn down), equivalent to dē- de- + flagr(āre) to burn + -ātus -ate1
Related forms
deflagrable, adjective
deflagrability, noun
deflagration, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for deflagration


/ˈdɛfləˌɡreɪt; ˈdiː-/
to burn or cause to burn with great heat and light
Derived Forms
deflagration, noun
Word Origin
C18: from Latin dēflagrāre, from de- + flagrāre to burn
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 deflagration

c.1600, from Latin deflagrationem (nominative deflagratio) "a burning up, conflagration," noun of action from past participle stem of deflagrare, from de- (see de-) + flagrare (see flagrant).

Online Etymology Dictionary, © 2010 Douglas Harper
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