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.

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Also called pulsejet, pulse-jet, aeropulse.

Origin of pulsejet engine

First recorded in 1945–50; pulse1 + jet1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020