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pulsejet engine

or pulse-jet engine

[puhls-jet] /ˈpʌlsˌdʒɛt/
noun, Aeronautics
a jet engine equipped with valves that continuously open to admit air, then close during combustion, giving a pulsating thrust: used to power the V-1, a German buzz bomb, in World War II.
Also called pulsejet, pulse-jet, aeropulse.
Origin of pulsejet engine
1945-50; pulse1 + jet1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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