Definitions of instilment
  1. noun
    the introduction of a liquid (by pouring or injection) drop by drop
    synonyms: instillation, instillment
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    (medicine) the passive introduction of a substance (a fluid or drug or electrolyte) into a vein or between tissues (as by gravitational force)
    type of:
    insertion, introduction, intromission
    the act of putting one thing into another
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