ampul
Học thuậtThân thiện
Definition
Noun: A small, sealed glass container, typically sterile, designed to hold a single dose of a liquid medication, especially one intended for injection using a needle.
Usage
An ampul is used in medical and laboratory settings to preserve the sterility and precise dosage of a substance. It is opened by snapping off the top at a marked neck.
Examples
- The nurse carefully broke the neck of the ampul to draw the vaccine into the syringe.
- The medication was supplied in a single-dose ampul to prevent contamination.
- He disposed of the empty ampul in the designated sharps container.
Advanced Usage
- Pharmaceutical Packaging: The term is specifically associated with injectable drugs, distinguishing it from multi-dose vials. Its hermetic seal maintains sterility until the moment of use.
Variants and Related Words
- Ampoule: A variant spelling, more common in British English.
- Vial: A broader term for a small bottle, often with a rubber stopper, which can contain multiple doses or non-sterile substances.
- Phial: An archaic or literary term for a small bottle, often for liquids.
Synonyms
- Phial
- Vial (though a vial is not always sealed and sterile for single use)
Related Phrases/Idioms
No common idioms or phrasal verbs are directly associated with the word "ampul." Its usage is almost exclusively technical and literal.
Noun
- a small bottle that contains a drug (especially a sealed sterile container for injection by needle)