Restart cycle
The restart cycle was a process involved in restarting the engine of  starships.

In 2269, the restart cycle could not be engaged on the  following a  loss upon the beam down of James T. Kirk and Spock to the planet Excalbia. Upon their return, it was functional once more, and the ship would be on warp power within thirty minutes. ()

See also 
 Cold start

Warp