propulsion
noun
pro·pul·sion
prə-ˈpəl-shən 
1
: the action or process of propelling
2
: something that propels
Examples of propulsion in a Sentence
Sailboats use wind as their source of propulsion.
Recent Examples on the Web
Bhatt acknowledges the challenge of this to me, but told me the company has hired veteran aerospace engineers like the former head of Blue Origin’s propulsion team, who have already managed this feat before.
—
Alex Knapp, Forbes.com, 18 May 2026
Röösli noted that the injector, one of the most critical parts of the propulsion unit, had to precisely mix propane and liquid oxygen, and prevent destructive pressure waves from traveling backward into the supply lines.
—Georgina Jedikovska, Interesting Engineering, 18 May 2026
From high-altitude ISR and long-range strike systems to next-generation propulsion and space launch, performance increasingly comes down to the energy powering the platform.
—David Szondy
may 17, New Atlas, 17 May 2026
After being deposited in orbit by a launch vehicle, Winnebago uses its own propulsion to maneuver into the right attitude.
—Ramin Skibba, Scientific American, 15 May 2026
See All Example Sentences for propulsion
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Alex Knapp, Forbes.com, 18 May 2026
Röösli noted that the injector, one of the most critical parts of the propulsion unit, had to precisely mix propane and liquid oxygen, and prevent destructive pressure waves from traveling backward into the supply lines.
—Georgina Jedikovska, Interesting Engineering, 18 May 2026
From high-altitude ISR and long-range strike systems to next-generation propulsion and space launch, performance increasingly comes down to the energy powering the platform.
—David Szondy
may 17, New Atlas, 17 May 2026
After being deposited in orbit by a launch vehicle, Winnebago uses its own propulsion to maneuver into the right attitude.
—Ramin Skibba, Scientific American, 15 May 2026
See All Example Sentences for propulsion
Cite this Entry
“Propulsion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/propulsion. Accessed 20 May. 2026.
Copy CitationKids Definition
propulsion
noun
pro·pul·sion
prə-ˈpəl-shən
1
: the action or process of propelling
2
: something that propels
propulsive
adjective
-ˈpəl-siv
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