exhaust velocity

English

Noun

exhaust velocity (plural exhaust velocities)

1. (aeronautics) The speed with which the exhaust gases leave the rocket engine.
   • 2004, Martin J. L. Turner, Expedition Mars, Springer Science & Business, →ISBN, page 134:

     The lighter the molecules, the higher will be the exhaust velocity; and we already know from the rocket equation that the exhaust velocity is the most important measure of an engine's performance.