flareback


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flare·back

 (flâr′băk′)
n.
1. A flame produced in the breech of a gun by ignition of residual gases.
2. A burst of something aimed back at its origin; a backfire: a flareback of bad publicity.

flareback

(ˈflɛəˌbæk)
n
1. (Firearms, Gunnery, Ordnance & Artillery) a flame ignited in the breech of a gun when the gun is fired, caused by the burning of residual flammable gases
2. US a negative, often unexpected, consequence of an action
3. a brief return to a negative state after a marked improvement
References in periodicals archive ?
For more information on preventing flareback, see Pages 2-7 of PS 682 (Sep 09): https://www.
Flareback happens when the fuel-rich gases formed by firing the main gun enter the crew compartment, mix with oxygen, and then are ignited by some source.
Something as small as a torn bore evacuator O-ring could result in a deadly flareback.