Wiktionary
a. Related to both electricity (or electronics) and mechanics.
WordNet
adj. of or relating to or involving an electrically operated mechanical device
Usage examples of "electromechanical".
They are much cheaper to maintain than even the best electromechanical systems, and they fit into half the space.
The idea is that the current in the cable, by passing through an electromechanical device, will cause this tube to move slightly to one side or the other, just like the spot of light in the mirror galvanometer.
It was strange that he trusted her more as a compass than he did an electromechanical device.
Phonetic telephone numbers became feasible in some cities a few years ago when local phone companies began replacing their old electromechanical switching equipment with computer-controlled electronic toys, which simultaneously made possible such modern conveniences as call forwarding and three-way calling.