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decommission

[dee-kuh-mish-uh n]
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verb (used with object)
  1. to remove or retire (a ship, airplane, etc.) from active service.
  2. to deactivate; shut down: to decommission a nuclear power plant.
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Origin of decommission

First recorded in 1925–30; de- + commission
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for decommissioned

decommission

verb
  1. (tr) to dismantle or remove from service (a nuclear reactor, weapon, ship, etc which is no longer required)
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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

Word Origin and History for decommissioned

decommission

v.

1922, originally with reference to warships, from de- + commission (v.). Related: Decommissioned; decommissioning.

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Online Etymology Dictionary, © 2010 Douglas Harper