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
Ars Technica, 18 Mar. 2025
Senior vehicle operations manager Cliff Lanham with NASA ground systems said the teams have addressed all the gremlins that popped up in the months before the launch of Artemis I, including leaks in the propellant lines that flowed into the rocket.
—Richard Tribou, Orlando Sentinel, 9 Mar. 2025
Joshua Rhett Miller, MSNBC Newsweek, 2 Apr. 2025
Starship upgrades In a statement, SpaceX said the Flight 7 explosion was probably caused by a leak in the aft — or rear — section of the vehicle, near a tank that holds super-chilled liquid oxygen, or LOX, a type of rocket propellant.
—Jackie Wattles, CNN, 28 Feb. 2025
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Adjective
The four propellant tanks on Blue Ghost are arranged in a diagonal configuration, with two containing hydrazine fuel and two holding an oxidizer called nitrogen tetroxide.
—Ars Technica, 18 Mar. 2025
Senior vehicle operations manager Cliff Lanham with NASA ground systems said the teams have addressed all the gremlins that popped up in the months before the launch of Artemis I, including leaks in the propellant lines that flowed into the rocket.
—Richard Tribou, Orlando Sentinel, 9 Mar. 2025
Noun
The critical task of producing propellant on Mars for a return trip to Earth would also require huge amounts of electricity, roughly 25 to 30 kilowatts, likely requiring nuclear power plants, Hoffman said.
—Joshua Rhett Miller, MSNBC Newsweek, 2 Apr. 2025
Starship upgrades In a statement, SpaceX said the Flight 7 explosion was probably caused by a leak in the aft — or rear — section of the vehicle, near a tank that holds super-chilled liquid oxygen, or LOX, a type of rocket propellant.
—Jackie Wattles, CNN, 28 Feb. 2025
See All Example Sentences for propellant
Cite this Entry
“Propellant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/propellant. Accessed 27 Apr. 2025.
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