Dictionary

afterburner

noun af·ter·burn·er \-ˌbər-nər\

Definition of AFTERBURNER

1
:  a device incorporated into the tailpipe of a turbojet engine for injecting fuel into the hot exhaust gases and burning it to provide extra thrust
2
:  a device for burning or catalytically destroying unburned or partially burned carbon compounds in exhaust (as from an automobile)
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First Known Use of AFTERBURNER

1947

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