decommission

American  

[dee-kuh-mish-uhn] / ˌdi kəˈmɪʃ ən /

verb (used with object)

decommissions, present (3rd person singular) decommissioned, past participle, past decommissioning present participle

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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decommission British  

/ ˌdiːkəˈmɪʃən /

verb

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

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Other Word Forms

Inflected Forms

Participles

• decommissioning
  present
• decommissioned
  past

Conjugated Forms

Present

• decommission
  simple
• decommissions
  simple
• have decommissioned
  perfect
• has decommissioned
  perfect
• am decommissioning
  progressive
• are decommissioning
  progressive
• is decommissioning
  progressive
• have been decommissioning
  perfect progressive
• has been decommissioning
  perfect progressive

Past

• decommissioned
  simple
• had decommissioned
  perfect
• was decommissioning
  progressive
• were decommissioning
  progressive
• had been decommissioning
  perfect progressive

Future

• will decommission
  simple
• will have decommissioned
  perfect
• will be decommissioning
  progressive
• will have been decommissioning
  perfect progressive

Etymology

Origin of decommission

First recorded in 1925–30; de- + commission