Definitions

1. noun

a small glass container for holding or measuring liquids, especially medicine or perfume

“She carefully measured the dose into a tiny vial from the bottle.”

2. noun

a small amount of something, especially a liquid

“A vial of the precious elixir was all that remained.”

3. verb

to fill or put something into a vial, especially medicine or perfume

“The pharmacist vialled the medication into small bottles for distribution.”