Definition of vial
: a small closed or closable vessel especially for liquids
Origin and Etymology of vial
Middle English fiole, viole, from Anglo-French, from Late Latin fiola, alteration of Latin phiala — more at phial
First Known Use: 14th century
VIAL Defined for English Language Learners
Definition of vial for English Language Learners
: a very small glass or plastic container used for perfumes, medicines, etc.
VIAL Defined for Kids
Definition of vial for Students
: a small container (as for medicines) that is usually made of glass or plastic
Medical Definition of vial
: a small closed or closable vessel especially for liquids—called also phial
Seen and Heard
What made you want to look up vial? Please tell us where you read or heard it (including the quote, if possible).