Word.ws English Dictionary

retropropulsions

retropropulsions is the plural of retropropulsion.

Meaning of retropropulsion

Noun

retropropulsion (countable and uncountable, plural retropropulsions)

  1. Backward propulsion, especially the use of rockets to brake or change direction.
    • Recent studies have concluded that Viking-era entry system deceleration technologies are extremely difficult to scale for progressively larger payloads (tens of metric tons) required for human Mars exploration. Supersonic retropropulsion is one of a few developing technologies that may enable...2014, Karl T. Edquist et al., “Development of Supersonic Retropropulsion for Future Mars Entry, Descent, and Landing Systems”, in Journal of Spacecraft and Rockets, volume 51, number 3, →DOI...

Questions about retropropulsions

What is retropropulsions the plural of?
Retropropulsions is the plural of retropropulsion.

Words near retropropulsions in the dictionary

  1. retroposons
  2. retropresbyteral
  3. retroprocessing
  4. retroprojection
  5. retropropulsion
  6. retropropulsions
  7. retroprosthetic
  8. retropseudogene
  9. retropseudogenes
  10. retropubic
  11. retropubically

Source and license

Adapted from Wiktionary: retropropulsions (page history and authors); retropropulsion (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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