deflagration

def·la·grate

[def-luh-greyt]
verb (used with object), verb (used without object), def·la·grat·ed, def·la·grat·ing.
to burn, especially suddenly and violently.

Origin:
1720–30; < Latin dēflagrātus (past participle of dēflagrāre to burn down), equivalent to dē- de- + flagr(āre) to burn + -ātus -ate1

def·la·gra·ble, adjective
def·la·gra·bil·i·ty, noun
def·la·gra·tion, noun
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deflagrate (ˈdɛfləˌɡreɪt, ˈdiː-) [Click for IPA pronunciation guide]
 
vb
to burn or cause to burn with great heat and light
 
[C18: from Latin dēflagrāre, from de- + flagrāre to burn]
 
defla'gration
 
n

00:10
Deflagration is always a great word to know.
So is quincunx. Does it mean:
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a stew of meat, vegetables, potatoes, etc.
deflagrate (ˈdɛfləˌɡreɪt, ˈdiː-) [Click for IPA pronunciation guide]
 
vb
to burn or cause to burn with great heat and light
 
[C18: from Latin dēflagrāre, from de- + flagrāre to burn]
 
defla'gration
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

deflagration
c.1600, from L. deflagrationem, noun of action from deflagrare, from de- + flagrare (see flagrant).
Online Etymology Dictionary, © 2010 Douglas Harper
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