The definition of a vial is a small sized bottle that usually holds liquids.noun
An example of a vial is a container for holding a liquid chemical in a lab.YourDictionary definition and usage example. Copyright © 2013 by LoveToKnow Corp.
Origin: ME viole, var. of fiole < OFr < OProv fiola: see phial
Used by arrangement with John Wiley & Sons, Inc.
Origin: Middle English viole, variant of fiol; see phial.