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.

Origin of pulsejet engine

First recorded in 1945–50; pulse1 + jet1
Also called pulse·jet, pulse-jet, aeropulse.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for pulsejet


/ (ˈpʌlsˌdʒɛt) /


a type of ramjet engine in which air is admitted through movable vanes that are closed by the pressure resulting from each intermittent explosion of the fuel in the combustion chamber, thus causing a pulsating thrustAlso called: pulsejet engine, pulsojet (ˈpʌlsəʊˌdʒɛt)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012