A flacon is a small glass or plastic container typically used for perfume or other liquids. There are numerous synonyms that can be used to describe this type of container, including vial, phial, ampoule, bottle, jar, and decanter. A vial is often used to refer to a small glass container with a narrow neck, while a phial is similar but typically refers to a container with a stopper or lid. An ampoule is a sealed glass container used for sterile injections, while a decanter is a decorative container typically used for serving alcohol. Synonyms for flacon can vary depending on the context in which they are used and the specific features or purposes of the container in question.