Answer: decoupling

AnswerCrossword Clue
decouplingSeparate, disengage, or dissociate (something) from something else
decouplingDECOUPLE, to disconnect
decouplingMake the interaction between (electrical components) so weak that there is little transfer of energy between them, esp. to remove unwanted AC distortion or oscillations in circuits with a common power supply
decouplingMuffle the sound or shock of (a nuclear explosion) by causing it to take place in an underground cavity