1. Small bottles, typically made of glass, used to contain medicines, perfumes, or other liquids
The laboratory technician carefully filled the vials with the serum.
O técnico de laboratório cuidadosamente preencheu os frascos com o soro.
2. Containers of small capacity designed for storage or transportation of liquids
Perfume vials are often used as samples.
Frascos de perfume são frequentemente usados como amostras.