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[dee-kuhp-uh l] /diˈkʌp əl/
verb (used with object), decoupled, decoupling.
to cause to become separated, disconnected, or divergent; uncouple.
to absorb the shock of (a nuclear explosion):
a surrounding mass of earth and rock can decouple a nuclear blast.
Electronics. to loosen or eliminate the coupling of (a signal between two circuits).
verb (used without object), decoupled, decoupling.
to separate or diverge from an existing connection; uncouple.
Origin of decouple
1595-1605; de- + couple
Related forms
decoupler, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for decouple
  • It's time to decouple budget reform and the debt limit.
  • It will also decouple its cost from the cost of fossil fuels.
  • With such materials, you can decouple size from weight.
  • Once dark energy comes in, then destiny and geometry decouple.
  • There's already a good effort underway to decouple growth and wellbeing.
British Dictionary definitions for decouple


(transitive) to separate (joined or coupled subsystems) thereby enabling them to exist and operate separately
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for decouple

c.1600, from French découpler "to uncouple," from de- (see de-) + coupler (Old French copler; see couple (v.)). Related: Decoupled; decoupling.

Online Etymology Dictionary, © 2010 Douglas Harper
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