monopropellant A single liquid, used in a liquid-propellant rocket engine, that serves as both fuel and oxidizer. A monopropellant decomposes into a hot gas when an appropriate catalyst is introduced. The commonest example is hydrazine, often used in spacecraft attitude control jets. See also HAN (hydroxyl ammonium nitrate). Related category PROPELLANTS Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |