Term: booster: the first stage of a multistage rocket
Broader: rocket: a jet engine containing its own propellant and driven by reaction propulsion | Unrelated: traffic: buying and selling; especially illicit trade
Broader: rocket: a jet engine containing its own propellant and driven by reaction propulsion | Unrelated: purist: someone who insists on great precision and correctness (especially in the use of words)
Broader: rocket: a jet engine containing its own propellant and driven by reaction propulsion | Unrelated: pencil: a thin cylindrical pointed writing implement; a rod of marking substance encased in wood
Broader: rocket: a jet engine containing its own propellant and driven by reaction propulsion | Unrelated: capstone: a stone that forms the top of wall or building
Broader: rocket: a jet engine containing its own propellant and driven by reaction propulsion | Unrelated: endothermic reaction: a chemical reaction accompanied by the absorption of heat
Broader: rocket: a jet engine containing its own propellant and driven by reaction propulsion | Unrelated: satrap: a governor of a province in ancient Persia
Broader: rocket: a jet engine containing its own propellant and driven by reaction propulsion | Unrelated: subway train: a train that runs in a subway system
Broader: rocket: a jet engine containing its own propellant and driven by reaction propulsion | Unrelated: resumption: beginning again
Broader: rocket: a jet engine containing its own propellant and driven by reaction propulsion | Unrelated: acanthus: any plant of the genus Acanthus having large spiny leaves and spikes or white or purplish flowers; native to Mediterranean region but widely cultivated
Broader: rocket: a jet engine containing its own propellant and driven by reaction propulsion | Unrelated: phalaris: a genus of grasses with broad leaves and a dense spike of flowers