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
Word origin
C20: from s(upersonic) + c(ombustion) + ramjet
scramjet in American English
(ˈskræmˌdʒɛt)
US
noun
a high-altitude ramjet designed for speeds exceeding Mach 6