[ in-stuh-ley-shuhn ]
See synonyms for: installationinstallations on

  1. something installed, as machinery or apparatus placed in position or connected for use.

  2. the act of installing.

  1. the fact of being installed.

  2. Military. any more or less permanent post, camp, station, base, or the like, for the support or carrying on of military activities.

Origin of installation

First recorded in 1600–10, installation is from the Medieval Latin word installātiōn- (stem of installātiō). See install, -ation

Other words from installation

  • pre·in·stal·la·tion, noun
  • re·in·stal·la·tion, noun

Words Nearby installation Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use installation in a sentence

British Dictionary definitions for installation


/ (ˌɪnstəˈleɪʃən) /

  1. the act of installing or the state of being installed

  2. a large device, system, or piece of equipment that has been installed

  1. a military establishment usually serving in a support role

  2. an art exhibit often involving video or moving parts where the relation of the parts to the whole is important to the interpretation of the piece

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012