Monopropellant

Monopropellants are propellants consisting of chemicals that do not require an oxidizer to release their stored chemical energy. While stable under defined storage conditions, they decompose very rapidly under certain other conditions to produce a large volume of energetic (hot) gases for the performance of mechanical work. Although solid deflagra...
Found on http://en.wikipedia.org/wiki/Monopropellant

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 ammoniu...
Found on http://www.daviddarling.info/encyclopedia/M/monopropellant.html
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