propulsion

noun

pro·​pul·​sion prə-ˈpəl-shən How to pronounce propulsion (audio)
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 There was, in fact, a large section of the show devoted to electric and other forms of alternative propulsion. Julie Boatman, Robb Report, 22 Apr. 2024 Just last week, another container ship lost propulsion near the same bridge. USA TODAY, 11 Apr. 2024 The second mission will also head to the Moon’s south pole in the search for water ice that could be used for life support and propulsion. Michael Kan, PCMAG, 26 Mar. 2024 Hull 146 will be powered by a state-of-the-art diesel-electric hybrid propulsion system that is more efficient and uses less fuel than conventional setups, CRN says. Rachel Cormack, Robb Report, 5 Apr. 2024 But the Bolt EVs use General Motors' previous generation propulsion technology. Jamie L. Lareau, Detroit Free Press, 2 Apr. 2024 Contaminated fuel is believed to cause scores of ships to lose power and propulsion every year, but the incidents rarely come to light, experts say. Rich Schapiro, NBC News, 30 Mar. 2024 The ship lost power and propulsion prior to crashing into the Baltimore bridge. Hannah Hudnall, USA TODAY, 29 Mar. 2024 The crew ran several system tests to attempt to remedy the loss of propulsion from the motor, but the tests proved unsuccessful. Rohan Mattu, CBS News, 27 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'propulsion.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

borrowed from Medieval Latin prōpulsiōn-, prōpulsiō "action of driving out or urging on," derivative, with the suffix of verbal action -tiōn-, -tiō, of Latin propellere "to push or thrust forward, compel to go onward" (with -s- from past participle and verbal noun prōpulsus) — more at propel

First Known Use

1627, in the meaning defined at sense 1

Time Traveler
The first known use of propulsion was in 1627

Dictionary Entries Near propulsion

Cite this Entry

“Propulsion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/propulsion. Accessed 29 Apr. 2024.

Kids Definition

propulsion

noun
pro·​pul·​sion prə-ˈpəl-shən How to pronounce propulsion (audio)
1
: the action or process of propelling
2
: something that propels
propulsive
-ˈpəl-siv
adjective

More from Merriam-Webster on propulsion

Last Updated: - Updated example sentences
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