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posigrade rocket

[ poz-i-greyd ]
/ ˈpɒz ɪˌgreɪd /

noun Rocketry.

an auxiliary rocket used to separate the sections of a multistage rocket, fired in the direction of flight.

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Nearby words

  1. poser,
  2. poseur,
  3. posey,
  4. posh,
  5. posho,
  6. posit,
  7. positif,
  8. position,
  9. position angle,
  10. position audit

Origin of posigrade rocket

1960–65; posi(tive) + -grade (perhaps modeled on retrograde)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019