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)

Examples of afterburner in a Sentence

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But at speeds greater than Mach 2.2, six bypass tubes around the engine open and move air directly from the fourth stage of the compressor to the afterburner. Erik Schechter, Popular Mechanics, "What Made the SR-71 Blackbird Such a Badass Plane," 28 Apr. 2015 Afterwards, the air is mixed with fuel in the burners, with more fuel combined to the exhaust at the afterburner stage. Erik Schechter, Popular Mechanics, "What Made the SR-71 Blackbird Such a Badass Plane," 28 Apr. 2015 James turned on the afterburners from about three-quarters court and somehow smacked this shot away without fouling the vet, keeping the game deadlocked at 89 apiece. Charles Curtis, For The Win, "The Block and The Crotch Punch: The 9 most memorable Cavaliers-Warriors moments," 31 May 2018 In footage released late Thursday, J-15 fighter jets were shown taking off and landing in the darkness, their afterburners glowing. Fox News, "China aircraft carrier pilots complete first night missions," 25 May 2018 Indeed, its characteristics including the ability to cruise at Mach 1.5 without afterburners, a high degree of stealth, and advanced weapons and avionics went on to define the entire category. Kyle Mizokami, Popular Mechanics, "At 20 Years Old, the F-22 is Still King of the Skies," 7 Sep. 2017 The Hawkeyes are capable of grinding Penn State into a tense, low-scoring affair, but the Nittany Lions’ offense will turn the afterburners on in the fourth quarter. The Si Staff,, "Week 4 College Football Picks: Will Any Top-10 Teams Fall?," 21 Sep. 2017 Strong-armed, accurate and blessed with an afterburner-like burst, Maiava is a transcendent talent working at a distinct disadvantage at Kahuku, which has no history of grooming great passers. Austin Murphy,, "It's an Island Ting: Kahuku High in Oahu Churns Out NFL Studs Like Schools in Florida and Texas," 25 Oct. 2017 Virginia entered the game as 13.5-point underdogs, according to OddsShark, but Bronco Mendenhall’s team turned on the afterburners in the second half, scoring 21 unanswered points after Boise State cut the deficit to seven just before the break. Eric Single,, "Virginia Just Handed Boise State Its Worst Home Loss Since 2001," 24 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'afterburner.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of afterburner

1947, in the meaning defined at sense 1

History and Etymology for afterburner

afterburning "burning of combustible gases after they have left the engine" (from after- + burning, gerund of burn entry 1) + -er entry 2

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19 Oct 2018

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The first known use of afterburner was in 1947

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