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A ramjet airplane engine designed for hypersonic flight that burns fuel in the supersonic airstream produced by the plane.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


a. a type of ramjet in which the forward motion of the craft forces oxygen to mix with fuel (usually hydrogen) at supersonic speeds within a duct in the engine
b. an aircraft powered by such an engine
c. (as modifier): scramjet technology.
[C20: from s(upersonic) + c(ombustion) + ramjet]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014



a ramjet engine in which the flow through the combustor itself is supersonic.
[1965–70; s(upersonic)c(ombustion)ramjet]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Using scramjet technology, a trip from Glasgow to New York could be completed in 40 minutes.
The scramjet is a ramjet engine in which the airflow through the whole engine remains supersonic.
The 5.6-metre-long HSTDV uses a scramjet engine that's located under its mid-body section, with the aft area acting as part of the exhaust nozzle.
If China added scramjets, HGV missile units would have greater reach anywhere in the world.
to transition between supersonic and hypersonic flight, like scramjet.'
The scramjet flow path can be designed with a preferred intake and exit shape based on the consideration of inlet startability as well as efficient compression.
"Computational Analysis of Scramjet Inlet", International Journal of Innovative Research in Science, Engineering and Technology, 3: 3.
SRIHARIKOTA -- India on Sunday became the fourth country to successfully test launch a scramjet engine, The Hindu reported.
One of the most challenging parts of the propulsion system, a scramjet combustor, houses and maintains stable combustion within an extremely volatile environment.
This kind of disturbance for AHV is usually motivated from the coupling between the scramjet propulsion system and attitude angles [10, 11].
Three cases are provided: a scramjet, a photovoltaic solar cell, and a method for airfoil shape optimization.