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[in-stawl] /ɪnˈstɔl/
verb (used with object), installed, installing.
Related forms
reinstal, verb (used with object)


or instal

[in-stawl] /ɪnˈstɔl/
verb (used with object)
to place in position or connect for service or use: to install a heating system;
to install software on a computer.
to establish in an office, position, or place:
to install oneself in new quarters.
to induct into an office or the like with ceremonies or formalities.
Origin of install
late Middle English
First recorded in 1375-1425; late Middle English word from Medieval Latin word installāre. See in-2, stall1
Related forms
installer, noun
preinstall, verb (used with object)
reinstall, verb (used with object)
Can be confused
install, instill.
3. invest, instate, receive. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for instal
Historical Examples
  • It is Mr. Nixon's plan to instal a gas engine in one of the compartments.

  • When Charles arrived, he was just about to instal himself and his family in his new abode.

    Marguerite De Roberval T. G. Marquis
  • I think our hospital was the first to instal a cinematograph as a fixture.

  • He showed the utmost kindness and hospitality, and gave his wazir orders to instal the prince in the royal guest-house.

    The Brown Fairy Book Andrew Lang
  • In the second place, the extra size of the non-automatic apparatus makes it more expensive to construct and more costly to instal.

  • Beyond this figure, it is deemed advisable to instal a small engine, say of 7-9 horse-power.

  • He showed the utmost kindness and hospitality, and gave his vazīr orders to instal the prince in the royal guest-house.

    The Brown Fairy Book Andrew Lang
  • The domestic went off without replying, and Kidd took advantage of his departure to instal himself in the vestibule.

    Stronghand Gustave Aimard
  • The priests and Settis of neighbouring villages assemble, and instal the new man.

  • And he went so far as to instal himself in a room on the other side of the way until his point was conceded.

    The History of "Punch"

    M. H. Spielmann
British Dictionary definitions for instal


verb (transitive) -stalls, -stalling, -stalled, -stals, -stalling, -stalled
to place (machinery, equipment, etc) in position and connect and adjust for use
to transfer (computer software) from a distribution file to a permanent location on disk, and prepare it for its particular environment and application
to put in a position, rank, etc
to settle (a person, esp oneself) in a position or state: she installed herself in an armchair
Derived Forms
installer, noun
Word Origin
C16: from Medieval Latin installāre, from in-² + stallumstall1
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
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Word Origin and History for instal



early 15c., "place in (ecclesiastical) office by seating in an official stall," from Medieval Latin installare, from Latin in- "in" (see in- (2)) + Medieval Latin stallum "stall," from a Germanic source (cf. Old High German stal "standing place;" see stall (n.1)). Related: Installed; installing.

Online Etymology Dictionary, © 2010 Douglas Harper
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