Spelled as "decommission" /ˌdiːkəˈmɪʃ(ə)n/, the word is pronounced with emphasis on the second syllable. The IPA phonetic transcription of the word indicates its American English pronunciation. It begins with the voiced dental fricative /d/ followed by the long vowel sound /i:/ and the voiceless velar plosive /k/. Next, it gets the schwa sound /ə/ in the third syllable, followed by the fricative /ʃ/ and finally, the reduced sound /ən/ in the last syllable. The word means to dismantle or retire from use, typically for military equipment or nuclear power plants.
Decommission is a verb that refers to the act of officially taking a piece of equipment, a facility, or an organization out of service or ceasing its operation. It is typically used in the context of military, industrial, or governmental structures but can also apply to other fields.
In military parlance, decommissioning generally refers to the process of removing a weapon, warship, or military installation from active duty. It involves rendering the equipment or facility inoperable and safe, as well as disposing of any hazardous materials. This process may also include the removal of classified or sensitive information and the transfer of assets to another party or organization.
In the industrial sector, decommissioning typically pertains to the shutdown and dismantling of a facility or plant that is no longer productive or safe to operate. The process involves various steps, such as the removal of machinery, the safe disposal of any potential contaminants or by-products, and the remediation of environmental impacts.
In a broader sense, decommission can also refer to the winding down or discontinuation of an organization, institution, or system. This could involve closing down operations, redistributing resources, terminating legal contracts, and addressing any legal or financial obligations.
Overall, decommissioning entails the formal and organized process of discontinuing the use of something, ensuring its safe and appropriate closure, and addressing any potential ramifications or consequences.
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The word "decommission" is derived from the combination of two Latin roots: "de" meaning "from" or "down" and "commission" which comes from the Latin word "commissum" meaning "entrusted" or "committed". In this context, "decommission" refers to the act of withdrawing or removing an official commitment or assignment, typically applied to military or industrial equipment, structures, or systems.