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

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.
References in periodicals archive ?
BEIRUT: Police apprehended a man Friday in the neighborhood of Dora in Greater Beirut after his decision to wear women's clothing to escape arrest backfired. Security sources told The Daily Star that the man, 19, was dressed in women's clothing because he had several outstanding warrants in his name for car theft.
"It backfired, and I'll live and learn, but I would still pick the same team.'
"It shouldn't be a big issue but we were expected to win and it would have backfired if we hadn't managed to score.
"It backfired, but he could have come on and that happened as well.
Irvine said: "Michael took his gamble, and it's backfired a bit.
But their cautious approach backfired when they lost four wickets - including Ian Bell, Pietersen, Paul Collingwood and Strauss - in a 26-over spell after tea which restricted them to 229 for five by the close.
A National Express spokesman said the engine had backfired.
Two schoolboys invented a story about being attacked with a makeshift flamethrower to cover up a prank that backfired, police said today.
I just read your article "The Breakdown of Boycotts" [July 18] and was happy to hear that many of the boycotting efforts of hatemongering so-called Christian organizations like the American Family Association and Focus on the Family have not only failed but perhaps have backfired. Just today I took this a step further by going to their Web sites to learn which companies are on their hit lists and took note of this information.
Bryan got a shotgun and tried to scare off the wolves by firing into the air, but that strategy backfired.
Waiters takes readers along as he travels to Mauna Loa to interview locals about the 'alala's significance to Hawaiian spirituality, biologists on their task of shoring up the bird's habitat and reintroducing captive birds to the wild, and others on conservation attempts that have backfired. Battles between government agencies, private-land owners, and biologists led to the bird's recent passage into virtual extinction in the wild, Waiters asserts.
Joe Royle switched to a 3-5-2 formation in last Monday's clash at Wolves and it backfired. The Tractor Boys were exposed down the flanks and, by the time Royle had reverted to a 4-4-2 shape midway through the first half, Ipswich were two goals behind.