backfire

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backfire

1. in an internal-combustion engine
a. an explosion of unburnt gases in the exhaust system
b. a premature explosion in a cylinder or inlet manifold
2. a controlled fire started to create a barren area that will halt an advancing forest or prairie fire
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

backfire

[′bak‚fīr]
(civil engineering)
A fire that is started in order to burn against and cut off a spreading fire.
(electronics)
(engineering)
Momentary backward burning of flame into the tip of a torch. Also known as flashback.
(mechanical engineering)
In an internal combustion engine, an improperly timed explosion of the fuel mixture in a cylinder, especially one occurring during the period that the exhaust or intake valve is open and resulting in a loud detonation.
(ordnance)
Rearward escapement of gases or cartridge fragments upon firing a gun.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
I just hope Fergie's decision doesn't backfire on him.
After flying over the Russian-held islands off the eastern coast of Hokkaido and moving further to the south, the Backfires then flew eastward into the airspace, this time at the altitude of 4,300 meters, between 2:36 p.m.
Her attempt to show Rochester as a poet of more intellectual depth than previously acknowledged backfires, however, when she discusses his work in terms of what it is not.
Before the days of barbed wire, forest fires spurred farmers to light their own backfires in an effort to protect their chestnut-rail fences--no longer replaceable since blight has all but destroyed that tree.
a vessel-widening procedure that sometimes backfires, prompting the growth of cells within arterial walls.