Definition of installation noun from the Oxford Advanced Learner's Dictionary

     

    installation

     noun
    noun
    BrE BrE//ˌɪnstəˈleɪʃn//
     
    ; NAmE NAmE//ˌɪnstəˈleɪʃn//
     
    The art world
     
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  1. 1[uncountable, countable] the act of fixing equipment or furniture in position so that it can be used installation costs Installation of the new system will take several days.
  2. 2[countable] a piece of equipment or machinery that has been fixed in position so that it can be used a heating installation
  3. 3[countable] a place where specialist equipment is kept and used a military installation
  4. 4[uncountable] the act of placing somebody in a new position of authority, often with a ceremony the installation of the new vice chancellor
  5. 5[countable] (art) a piece of modern sculpture that is made using sound, light, etc. as well as objects See related entries: The art world
  6. Word Origin late Middle English: from medieval Latin installatio(n-), from the verb installare, from in- ‘into’ + stallum ‘place, stall’.
See the Oxford Advanced American Dictionary entry: installation