step rocket

step rocket

n.

See multistage rocket.

Thesaurus

Noun

1.

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 multistage rocket booster rocket, booster unit, takeoff booster, takeoff rocket, booster - the first stage of a multistage rocket rocket, projectile - any vehicle self-propelled by a rocket engine