This is the 11168th most frequent French word.
propulsant
A substance that provides propulsion.
Here, 'propulsant' refers to a substance used to propel a rocket forward.
La fusée utilise un propulsant innovant.
The rocket uses an innovative propellant.
In this sentence, 'propulsant' indicates a liquid material used for propulsion in engines.
Les avions modernes peuvent être équipés de moteurs à base de propulsant liquide.
Modern airplanes can be equipped with engines based on liquid propellant.
Here, 'propulsant' relates to innovative materials intended for reducing environmental impact in propulsion systems.