Back-fire Definition
noun
A small, controlled fire set in the path of a larger uncontrolled fire, in order to limit the spread of the large fire by removing its fuel.
Wiktionary
An explosion produced either by a running internal combustion engine that occurs in the air intake or exhaust system rather than inside the combustion chamber or unburned fuel or hydrocarbons ignited somewhere in the exhaust system.
Wiktionary
Other Word Forms of Back-fire
Noun
Singular:
back-fire
Plural:
back-fires
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