DECOMMISSION
Meaning of DECOMMISSION in English
de ‧ com ‧ miss ‧ ion /ˌdiːkəˈmɪʃ ə n/ BrE AmE verb [transitive]
to stop using a ship, weapon, or ↑ nuclear reactor and to take it to pieces
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012