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
According to Mattison, General Galactic’s water propulsion system could provide 5-10 times the Delta-V of traditional systems.
—
Chris Young, Interesting Engineering, 10 Feb. 2026
Using such an arrangement, Lockheed Martin claims that the Lamprey can reach its mission area with its batteries 100% charged to run the craft's quad-thruster propulsion system, autonomous onboard computers, sensors, and subsystems.
—David Szondy
february 09, New Atlas, 9 Feb. 2026
Star Princess also appeals to the eco-conscious, with features that include propulsion by liquified natural gas (LNG), a cleaner energy source than other marine fuels.
—Fran Golden, Travel + Leisure, 8 Feb. 2026
The least powerful of them only provide electric assistance when the cyclist is pedaling and don't offer propulsion when the bicycle reaches 20 mph.
—CBS News, 5 Feb. 2026
See All Example Sentences for propulsion
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Chris Young, Interesting Engineering, 10 Feb. 2026
Using such an arrangement, Lockheed Martin claims that the Lamprey can reach its mission area with its batteries 100% charged to run the craft's quad-thruster propulsion system, autonomous onboard computers, sensors, and subsystems.
—David Szondy
february 09, New Atlas, 9 Feb. 2026
Star Princess also appeals to the eco-conscious, with features that include propulsion by liquified natural gas (LNG), a cleaner energy source than other marine fuels.
—Fran Golden, Travel + Leisure, 8 Feb. 2026
The least powerful of them only provide electric assistance when the cyclist is pedaling and don't offer propulsion when the bicycle reaches 20 mph.
—CBS News, 5 Feb. 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 14 Feb. 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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