decommission

/ˌdiːkəˈmɪʃn/ (bre, ipa) · /ˌdiːkəˈmɪʃn/ (ame, ipa) · /ˌdē-kə-ˈmi-shən/ (ame, mw)

decommission — verb

  • decommissionpresent simple I / you / we / they
  • decommissionshe / she / it
  • decommissionedpast simple
  • decommissioning-ing form

1. to officially retire a machine, weapon, ship, or similar equipment so it is no l

1.動詞及物C1
釋義

to officially retire a machine, weapon, ship, or similar equipment so it is no longer used

例句

After a fuel leak, the navy decommissioned the ship two years early.

decommission + ship after safety problem

Engineers will decommission the old reactor once the new plant opens.

decommission + reactor before replacement

同義詞
  • retire

    broader and can refer to people or equipment, not only formal technical removal

  • mothball

    means store something for possible future use, not remove it for good

  • dismantle

    focuses on physically taking something apart, which may happen after decommissioning

反義詞
  • commission

    means place equipment or a system into official service

  • reactivate

    means bring something back into use after it has stopped operating

文法句型

decommission + ship/reactor/system

be decommissioned after + event/time

decommission + equipment + because of + problem

用法筆記

Usually refers to large equipment, vehicles, weapons, or systems rather than small everyday objects. It often appears in official reports and is common in the passive when the focus is on the equipment, not the decision-maker.

常見錯誤

❌We decommissioned the printer for the weekend.
✅We switched the printer off for the weekend.
💡decommission usually means taking equipment out of service permanently or for the long term, not stopping it for a short time.