The meaning of VIAL is a small closed or closable vessel especially for liquids., Define vial. vial synonyms, vial pronunciation, vial translation, English dictionary definition of vial. a small container used for liquids: The biology student held up a vial of swamp water. Not to be confused with: vile – disgusting; loathsome; depraved: He’s, A vial (also known as a phial or flacon) is a small glass or plastic vessel or bottle, often used to store medication in the form of liquids, powders, or capsules. They can also be used as scientific sample vessels; for instance, in autosampler devices in analytical chromatography., From Middle English vial, viole, a variant of fiole, phiole, phial (“small bowl or cup for liquids, etc.; flask”) [and other forms]: [1] see further at phial. [2] . Doublet of phiale. vial (plural vials) A glass vessel or bottle, especially a small tube-shaped bottle used to store medicine, perfume or other chemicals., Definition of vial noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more., A vial is a small container, usually made of glass or plastic, used for holding liquids or other substances, often for medical or scientific purposes. It is typically sealed to ensure the contents stay pure and undisturbed. Etymology: [OE. viole, fiole, F. fiole. See Phial.].