instillation [
`ɪnstɪ'leʃən]
instillation[ noun ]- the introduction of a liquid (by pouring or injection) drop by drop
<noun.act>
- a liquid that is instilled drop by drop
<noun.substance>
Instillation \In`stil*la"tion\, n. [L. instillatio: cf. F.
instillation.]
The act of instilling; also, that which is instilled.
--Johnson.