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instillator

[in-stuh-ley-ter]
noun Medicine/Medical.
  1. an apparatus for putting liquid drop by drop into a cavity.
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Origin of instillator

First recorded in 1825–35; instill + -ator
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

instillator in Medicine

instillator

(ĭnstə-lā′tər)
n.
  1. dropper
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.