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ion propulsion
or ionic propulsion
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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.
QUIZ
QUIZ YOURSELF ON "WAS" VS. "WERE"!
Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
âWasâ is used for the indicative past tense of âto be,â and âwereâ is only used for the subjunctive past tense.
Words nearby ion propulsion
ionosonde, ionosphere, ionospheric wave, ionotropic receptor, ionotropy, ion propulsion, ion rocket, iontophoresis, ion trap, I.O.O.F., iopamidol
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022