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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 decoupling
  • By decoupling lighting and drawing, we're not locked into the lighting that can be done while drawing a polygon.
  • By decoupling, they can raise rates or charge a flat monthly fee.
  • Some decoupling can extend economic growth for a time, but complete decoupling is not a real possibility.
  • Significant decoupling would indicate lack of understanding.
  • But now many talk of a decoupling of the two economies.
  • Those links came under strain before the crisis, as a global saving glut caused a decoupling of long- and short-term rates.
  • It's a reminder, among other things, that decoupling is and will likely remain an incomplete phenomenon.
  • One is that emerging markets have showed signs, at last, of decoupling.
  • Stock markets and corporate profits have been decoupling from employment for the last decades.
  • Remember, adaptation should show evidence of decoupling ancestry from phenotype.
British Dictionary definitions for decoupling


the separation of previously linked systems so that they may operate independently
(electronics) the reduction or avoidance of undesired distortion or oscillations in a circuit, caused by unwanted common coupling between two or more circuits


(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 decoupling



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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