Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To ignite or fire (a retrorocket).
  • intransitive v. To become ignited or fired. Used of a retrorocket.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Describing rockets that are directed opposite to the direction of motion and used to slow down.

Etymologies

Sorry, no etymologies found.

Examples

  • Four minutes left before he has to be rock-steady for retrofire.

    Orbit

  • Eight minutes remain before the time for retrofire.

    Orbit

  • He looks at the attitude indicator, noting the target dot nestling snugly where it should be in the “V” for retrofire.

    Orbit

  • He brings his eyes back to the checklist, hopeful he has his jitters sufficiently under control to begin a run-through of the procedure for automatic retrofire.

    Orbit

  • The craft is no longer gyrating and is apparently in position for retrofire.

    Orbit

  • Maybe he should plan to try the retrofire sequence at the end of the second orbit, instead of waiting for the third?

    Orbit

  • The pilots were counted down in the blind via the Kano station, and Neil Armstrong, while he said nothing leading up to the point of retrofire, came back with a very reassuring, We have all four retros.

    First Man

  • We were flying over the tracking station in Kano, Nigeria, when Houston started giving us the countdown for the retrofire time.

    First Man

  • From the ground we were given the retrofire location time, which was over Africa and on the night-side of Earth, so we prepared for retrofire activity.

    First Man

  • But the retrofire was stable and our readings of the retro change in velocity—that is, the amount of slowing down that we had done—was proper for the target that we wished to hit.

    First Man

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