Definition of ampoule in US English:


(also ampul, ampule)


  • A sealed glass capsule containing a liquid, especially a measured quantity ready for injecting.

    ‘an ampoule of epinephrine’
    • ‘Because the pharmacy had no pethidine, the general practitioner obtained an ampoule of diamorphine containing 100 mg and administered the whole dose intramuscularly.’
    • ‘The print on the ampoules is so small these days.’
    • ‘First-year students learn aseptic transfer of drugs from vials and ampules and handling techniques for antineoplastic drugs.’
    • ‘The American Society for Health System Pharmacists recommends filtering solutions drawn up from glass ampules to remove glass particles.’
    • ‘If the surface treatment is going to be applied to glass in applications such as slides, petri dishes, or sampling ampules, transparency gives users a maximum visual of what is being studied.’
    • ‘You hermetically sealed both ampules by melting the tips, and washed them with an ethanol solution, and dried them.’
    • ‘The cost for an ampoule at a private pharmacy is about £30.’
    • ‘From 1997 the absolute number of prescriptions as ampoules fell annually.’
    • ‘Shelf-life surveillance of the ampules and vials is ongoing.’
    • ‘Scientists prepare and store the gas under pressure in spherical glass ampules two to three inches in diameter.’
    • ‘The ampoules containing the two allergens could not be distinguished from one another or from the distilled water.’
    • ‘The anaesthetic had been kept in glass ampoules which were stored in the disinfectant, and became contaminated by seepage through invisible cracks in the glass.’
    • ‘Working in a busy plastic surgery unit, we have noticed that a variety of water, saline, and lignocaine ampoules all look virtually identical in terms of bottle design and labelling.’
    • ‘Preservative-free medication ampules, vials, and prefilled syringes for single patient, single-dose items should be checked for the presence of preservative agents.’
    • ‘It consists of an outside plastic casing with an inner glass ampule containing 0.5 mL of adhesive that can be expressed through the applicator tip once the vial has been crushed.’
    • ‘They used to - back in the old days, sonny - package triflic anhydride in glass ampoules.’
    • ‘Glass ampoules and syringes were used to administer emergency medications (eg, epinephrine, hydrocortisone) before Mr L's procedure began.’
    • ‘Imagine looking desperately for adrenaline while treating a patient with a cardiac arrest, finding an ampoule labelled ephedrine, and mistaking it for epinephrine.’
    • ‘Industry figures indicate that the average monthly demand for diamorphine is approximately 640,000 ampoules of varying strengths.’
    • ‘The study drug was supplied in identical numbered ampoules.’


Early 20th century: from French, from Latin ampulla (see ampulla).