Pronunciation: (dē-kup'ul), [key]
—v., -pled, -pling.
1. to cause to become separated, disconnected, or divergent; uncouple.
2. to absorb the shock of (a nuclear explosion): a surrounding mass of earth and rock can decouple a nuclear blast.
3. Electronics.to loosen or eliminate the coupling of (a signal between two circuits).
to separate or diverge from an existing connection; uncouple.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.