jet propulsion

noun

: propulsion of a body produced by the forwardly directed forces of the reaction resulting from the rearward discharge of a jet of fluid
especially : propulsion of an airplane by jet engines

Examples of jet propulsion in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
It's driven by a 22-kW electric motor with jet propulsion, which basically pushes the vehicle forward by expelling water at high speed instead of using an external propeller. Maryna Holovnova, New Atlas, 16 Mar. 2026 This mechanical transformation allows the craft to ditch the drag and engage jet propulsion, pushing it to 450 knots — nearly doubling the speed of conventional vertical-lift aircraft. Mrigakshi Dixit, Interesting Engineering, 10 Mar. 2026 In his post on social media platform X, Luck said the water-jet propulsion design is a first for the China Coast Guard on a hull of this size, with two shipyards building this type of ship. Ryan Chan, MSNBC Newsweek, 3 Sep. 2025 Unlike most vertical take-off and landing aircraft (VTOLs), which rely on helicopter-style rotors or drone propellers, the Airbike is powered entirely by jet propulsion. Jim Dobson, Forbes.com, 21 Aug. 2025 See All Example Sentences for jet propulsion

Word History

First Known Use

1855, in the meaning defined above

Time Traveler
The first known use of jet propulsion was in 1855

Browse Nearby Words

Cite this Entry

“Jet propulsion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jet%20propulsion. Accessed 4 Apr. 2026.

Kids Definition

jet propulsion

noun
: forward motion of a body produced by the forces resulting from the rearward discharge of a jet of fluid
especially : propulsion of an airplane by jet engines

More from Merriam-Webster on jet propulsion

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster