instillation

noun
in·​stil·​la·​tion | \ ˌin(t)-stə-ˈlā-shən, -(ˌ)stil-ˈā- How to pronounce instillation (audio) \

Medical Definition of instillation

1 : an act of instilling : introduction by instilling repeated instillation of penicillin
2 : something that is instilled or designed for instillation silver instillation for use in the eyes of the newborn

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“Instillation.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/instillation. Accessed 31 Oct. 2020.

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