INSTALLATION

installation. Installation, n. the act of putting into possession

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In′stal‐la″tion (?), n. [[F. installation, LL. installatio: cf. It. installazione. See Install.]] 1. 1. The act of installing or giving possession of an office, rank, or order, with the usual rites or ceremonies; as, the installation of an ordained minister in a parish.
On the election, the bishop gives a mandate for his installation. Ayliffe. 2. 2. (Mech.) The whole of a system of machines, apparatus, and accessories, when set up and arranged for practical working, as in electric lighting, transmission of power, etc.