1. the process of taking a ship, aircraft, nuclear reactor, or other piece of equipment out of active service and dismantling or safely storing it
Usage: commonly used in military, nuclear energy, and industrial contexts

1. to take (a ship, aircraft, nuclear reactor, or other equipment) out of active service
Usage: third-person singular present or gerund form of 'decommission'

Examples

• The decommissioning of the old nuclear power plant took five years.
• The Navy is decommissioning several aging destroyers this year.
• Decommissioning procedures must follow strict environmental regulations.
• The company announced plans for decommissioning the offshore oil rig.
• Engineers oversaw the decommissioning of the retired space station.
• Decommissioning a reactor requires specialized expertise and equipment.