11 letters · 16 points in Scrabble
noun a device injects fuel into a hot exhaust for extra thrust
originEtymology tree Proto-Indo-European *h₂ep Proto-Indo-European *-o Proto-Indo-European *h₂epó Proto-Indo-European *-teros Proto-Indo-European *h₂ep(o)teros Proto-Germanic *after Old English æfter Middle English after English after ▲ Old English æfter Old English æfter- Middle English after- English after- English burner English afterburner From after- + burner.
Etymology from Wiktionary, CC BY-SA 3.0