1. small bottles, typically made of glass, used to hold liquids such as medicines or chemicals

Examples

• The laboratory technician carefully labeled each of the glass vials.
• The medicine came in small vials that needed to be refrigerated.
• She collected blood samples in sterile vials for testing.
• The perfume samples were stored in tiny crystal vials.
• The scientist arranged the vials containing different chemical solutions on the rack.
• Each vial held exactly 10 milliliters of the experimental drug.