ion propulsion

or ionic propulsion


noun

Rocketry. a projected type of propulsion for vehicles in outer space, the exhaust consisting of positive ions and negative electrons repelled from the vehicle by electrostatic forces, resulting in a very high exhaust velocity.

Nearby words

  1. ion engine,
  2. ion exchange,
  3. ion exchanger,
  4. ion generator,
  5. ion implantation,
  6. ion rocket,
  7. ion trap,
  8. ion-exchange resin,
  9. ion.,
  10. iona

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019