Science / Chemistry / Propellant: 1. A mixture of fuel and oxidizing agent that reacts to produce a high-energy stream of product gases that can produce thrust. For examples, see What makes a good rocket fuel? 2. A compressed gas used to push a material through a nozzle, forming an aerosol or a foam. For example, nitrogen or propane are used as propellants for shaving cream; nitrous oxide is used as a propellant for whipped cream.
Technology / Rockets / Igniter: An igniter is a small device which is used to ignite the propellant of a rocket motor. It's usually made of nichrome wire tipped with a combustible solid compound. When an electrical current is fed th MORE
Technology / Rockets / Inhibit: Bonding non-propellant material to restrict the burning surface of a propellant grain. MORE