Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun instillation

2 senses of instillation

Sense 1
instillation, instillment, instilment -- (the introduction of a liquid (by pouring or injection) drop by drop)
       => insertion, introduction, intromission -- (the act of putting one thing into another)

Sense 2
instillation -- (a liquid that is instilled drop by drop)
       => liquid -- (fluid matter having no fixed shape but a fixed volume)