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Short "hint"

n. - A small rocket engine on a larger rocket or spacecraft that is fired to slow or alter its course.

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Usage examples (9)
  • There is no atmosphere where parachutes can be used, so it has to retrorocket all the way down.
  • Thus . . . the transporter, which eliminated any need for the goofy retrorocket landings, was born.
  • At that time Claggett would send a radio signal which would activate a small retrorocket in each satellite, causing it to drop dutifully into its assigned position...
  • Aug. 20, 1960:After a day in orbit Sputnik 5fires its retrorocket, and when it lands safely, two dogs inside, Strelka and Belka, become the first living creatures to...
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