e|lec|tro|hy|drau|lic

e|lec|tro|hy|drau|lic «ih _LEHK troh hy DR lihk», adjective.

producing mechanical or chemical energy by electrohydraulics: »

The eight nozzles [of a rocket engine] are swivelled by electrohydraulic jacks to control pitch, yaw and roll (New Scientist).