inertial upper stage


a U.S. two-stage, solid-propellant rocket used to boost a relatively heavy spacecraft from a low earth orbit into a planetary trajectory or an elliptical transfer orbit. Abbreviation: IUS

Nearby words

  1. inertial guidance,
  2. inertial mass,
  3. inertial observer,
  4. inertial platform,
  5. inertial system,
  6. inertness,
  7. inescapable,
  8. inescutcheon,
  9. inessential,
  10. inessive Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019