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English definition of “installation”

installation

noun
 
 
/ˌɪnstəˈleɪʃən/
[U or C] IT the act of putting a program onto a computer: She provided me with the resources required for testing the installation of the software. Software installations will be carried out by our administrators.
[U or C] the act of putting furniture or equipment into position: The installation of extra roof and wall-support structures takes considerable time.
[C] a system or piece of equipment that has been put somewhere: The present installations are outdated, and will be removed.
[C] a place with people, buildings, and equipment that has a particular, especially military or industrial, purpose: a military/industrial/commercial installation
(Definition of installation from the Cambridge Business English Dictionary © Cambridge University Press)
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