variants
or less commonly propellent
: something that propels: such as
a
: an explosive for propelling projectiles
b
: fuel plus oxidizer used by a rocket engine
c
: a gas kept under pressure in a bottle or can for expelling the contents when the pressure is released
Examples of propellant in a Sentence
Recent Examples on the Web
Chris Klimek, Vulture, 19 June 2024
SpaceX plans to test a method to refill Starship's propellant tanks in orbit, which would allow the vehicle to reach even greater distances in space.
—Margherita Bassi, Smithsonian Magazine, 15 Oct. 2024
Jamie Johnson, Verywell Health, 28 Oct. 2024
Engineers believe a separate set of degraded seals is causing helium leaks, which the spacecraft uses to pressurize the propulsion system and drive propellants into its thrusters.
—Stephen Clark, Ars Technica, 5 Sep. 2024
See all Example Sentences for propellant 
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Adjective
And what event was deemed sufficiently surprising, shocking, intriguing, or otherwise dramatic to provide the little hit of narrative propellant to kick us into a title sequence?
—Chris Klimek, Vulture, 19 June 2024
SpaceX plans to test a method to refill Starship's propellant tanks in orbit, which would allow the vehicle to reach even greater distances in space.
—Margherita Bassi, Smithsonian Magazine, 15 Oct. 2024
Noun
Many cooking sprays are made with refined oils, containing additives and propellants that aren't ideal for health-conscious cooks.
—Jamie Johnson, Verywell Health, 28 Oct. 2024
Engineers believe a separate set of degraded seals is causing helium leaks, which the spacecraft uses to pressurize the propulsion system and drive propellants into its thrusters.
—Stephen Clark, Ars Technica, 5 Sep. 2024
See all Example Sentences for propellant
Dictionary Entries Near propellant
Cite this Entry
“Propellant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/propellant. Accessed 22 Nov. 2024.
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