takeoff booster


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Noun1.takeoff booster - the first stage of a multistage rockettakeoff booster - the first stage of a multistage rocket
multistage rocket, step rocket - a rocket having two or more rocket engines (each with its own fuel) that are fired in succession and jettisoned when the fuel is exhausted
rocket engine, rocket - a jet engine containing its own propellant and driven by reaction propulsion