installation

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in·stal·la·tion / ˌinstəˈlāshən/ • n. 1. the action or process of installing someone or something, or of being installed: the installation of a central air-conditioning system.2. a thing installed, in particular: ∎  a large piece of equipment installed for use: computer installations. ∎  a military or industrial establishment: nuclear installations. ∎  an art exhibit constructed within a gallery: a video installation.

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