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afterburner

American  
[af-ter-bur-ner, ahf-] / ˈæf tərˌbɜr nər, ˈɑf- /

noun

  1. Aeronautics. a device placed within, or attached to the exit of, a jet-engine exhaust pipe to produce afterburning.

  2. a device for burning exhaust fumes from an internal-combustion engine, as of an automobile.

afterburner British  
/ ˈɑːftəˌbɜːnə /

noun

  1. a device in the exhaust system of an internal-combustion engine for removing or rendering harmless potentially dangerous components in the exhaust gases

  2. a system of fuel injection and combustion located behind the turbine of an aircraft jet engine to produce additional thrust

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of afterburner

First recorded in 1945–50; after + burner

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.