1. separate, disengage, or dissociate (something) from something else: "the mountings effectively decouple movements of the engine from those of the wheels"
▪ make the interaction between (electrical components) so weak that there is little transfer of energy between them, especially to remove unwanted AC distortion or oscillations in circuits with a common power supply.
▪ muffle the sound or shock of (a nuclear explosion) by causing it to take place in an underground cavity.