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[in-stuh-ley-shuh n]
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  1. the act of instilling.
  2. something instilled.
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Origin of instillation

1530–40; < Latin instillātiōn- (stem of instillātiō), equivalent to instillāt(us) past participle of instillāre to instill + -iōn- -ion
Related formspre·in·stil·la·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for instillation

mixture, mishmash, liquor, drink, distillation, beverage, blend, broth, melange, hash, hodgepodge, compound, infusion, preparation, miscellany, potpourri, fermentation, instillation

Examples from the Web for instillation

Historical Examples of instillation

  • The occasion was the instillation of life into the legendary monster.

    In Eastern Seas

    J. J. Smith

  • They are easily removed with a spud or needle, after the instillation of a drop of 4% cocaine solution.

  • Instil a few drops of a sterile solution of cocaine, and repeat the instillation in two minutes.

  • If the object be a living insect it should be killed at once by the instillation of warm oil, rectified spirit, or chloroform.

Word Origin and History for instillation


1540s, from Latin instillationem (nominative instillatio) "a dropping in," noun of action from past participle stem of instillare (see instill).

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Online Etymology Dictionary, © 2010 Douglas Harper