Definition of rocket science
- The job is challenging, but it's not exactly rocket science.
: any of several plants of the mustard family: such as
: dame's rocket
: a firework consisting of a case partly filled with a combustible composition fastened to a guiding stick and propelled through the air by the rearward discharge of the gases liberated by combustion
: a similar device used as an incendiary weapon or as a propelling unit (as for a lifesaving line)
: a jet engine that operates on the same principle as the firework rocket, consists essentially of a combustion chamber and an exhaust nozzle, carries either liquid or solid propellants which provide the fuel and oxygen needed for combustion and thus make the engine independent of the oxygen of the air, and is used especially for the propulsion of a missile (such as a bomb or shell) or a vehicle (such as an airplane)
: to convey or propel by means of or as if by a rocket
: to rise up swiftly, spectacularly, and with force
: to travel rapidly in or as if in a rocket
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