scram-jet

scramjet

[skram-jet]
noun Aeronautics.
a ramjet engine in which the flow through the combustor itself is supersonic.

Origin:
1965–70; s(upersonic) c(ombustion) ramjet

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scramjet (ˈskræmˌdʒɛt)
 
n
1.  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
2.  (modifier) : scramjet technology
 
[C20: from s(upersonic) + c(ombustion) + ramjet]

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