Ampoule

a sealed gl-ss or plastic bulb containing solutions for hypodermic injection.
historical examples

they met together one night in the duke of ampoule’s country house, six miles eastward of alca, to consider ways and means.
penguin island anatole france

after cleaning a spot on her arm, he dug out a needle, and filled it from an ampoule.
feet of clay phillip hoskins

there are only three ampoules of this and they also say, maximum dose one ampoule.
the lost kafoozalum pauline ashwell

from them, he compounded a liquid mixture which he forced into the ampoule of a hypodermic needle.
deepfreeze robert donald locke

noun
(med) a small gl-ss vessel in which liquids for injection are hermetically sealed
n.

“small bottle or flask,” especially one used for holy liquids, c.1200, from old french ampole, from latin ampulla “small globular flask or bottle,” of uncertain origin, perhaps a contracted form of amphora.

ampoule am·poule or am·pule or am·pul (ām’pōōl, -pyōōl)
n.
a hermetically sealed vial, usually made of gl-ss, that contains a sterile medicinal solution or a powder to be made into a solution for subcutaneous, intramuscular, or intravenous injection.