Pronunciation: /prəˈpɛlənt/
noun a substance that propels or drives forward
A1 The rocket used a powerful propellant to launch into space.
A2 The propellant in the engine helped the car move quickly.
B1 The propellant used in fireworks is carefully controlled for safety.
B2 The military is testing a new type of propellant for their weapons.
C1 The propellant mixture in the engine was optimized for maximum efficiency.
C2 The scientist developed a groundbreaking new propellant formula for space exploration.
adjective relating to or capable of propelling
A1 The rocket was filled with a powerful propellant.
A2 The propellant used in the engine was highly flammable.
B1 The propellant tank needed to be refilled before the next launch.
B2 The propellant system was carefully monitored for any leaks.
C1 The propellant mixture had to be precisely calculated for optimal performance.
C2 The propellant efficiency was a key factor in the success of the mission.
formal The rocket was fueled by a highly efficient propellant.
informal The fuel that powers the rocket is called propellant.
slang Make sure you have enough juice in the propellant tank before takeoff.
figurative His enthusiasm was the propellant that drove the project forward.
propelled
propellants
more propellant
most propellant
propels
will propel
has propelled
is propelling
propellant
propellant
to propel
propelling
propelling