
A rocket propellant consisting of two substances, the fuel and the oxidizer, that are held separate prior to combustion. Bipropellants are commonly used in liquid-propellant rocket engines. There are many examples, including RP-1 (a kerosine-containing mixture) and liquid oxygen (used by the Atlas f...
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a missile or rocket propellant, composed of fuel and oxidizer, the components of which are kept in separate compartments prior to combustion.
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https://www.infoplease.com/dictionary/bipropellant
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