English noun: step rocket | |||
1. | step rocket (artifact) 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 | ||
Synonyms | multistage rocket | ||
Broader (hypernym) | projectile, rocket | ||
Part holonym | booster, booster rocket, booster unit, takeoff booster, takeoff rocket | ||