noun
propulsion
pruh-PUHL-shuhn
noun
1
The force or process that drives something forward.
"Jet propulsion allows the aircraft to reach high altitudes quickly."
"The submarine relies on electric propulsion to move silently."
How to Use Propulsion
Learner’s notesIn plain EnglishThe force that pushes or drives something forward, especially in vehicles and engines.
Common pairings
jet propulsion
propulsion system
rocket propulsion
Word Forms
propulsions plural
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Jet _____ allows the aircraft to reach high altitudes quickly.
Etymology
From Medieval Latin propulsio, from the Latin verb propello ("to drive forward").