noun.
A hermetically sealed vial made of glass or plastic that contains a sterile medicinal solution or a powder that is usually made into a solution for subcutaneous, intramuscular, or intravenous injection.
the GNU version of the Collaborative International Dictionary of English
noun.
a small glass bottle which has been or can be sealed hermetically by application of flame to a narrow opening at the top.
noun.
an ampule, or vial resembling an ampule, which contains a drug.