Definition of afterburner in English:

afterburner

Line breaks: after|burn¦er
Pronunciation: /ˈɑːftəˌbəːnə
 
/

noun

An auxiliary burner in which extra fuel is burned in the exhaust of a jet engine, to increase thrust.
More example sentences
  • The air bypassed the engine compressor and turbine, and using the afterburner as a ram-jet combustion chamber, the available thrust is greatly increased above a Mach number of 2.0
  • After 20 seconds of afterburner use, the afterburner failed and the nozzle fully closed due to oil loss.
  • Of course, there's only one way you can see if the flame is clear blue - I stood behind the engine and looked up the exhaust with the engine at full power and the afterburner lit.

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Pronunciation: ˈflipənt
adjective
not showing a serious or respectful attitude