Main Page | See live article | Alphabetical index Florence flask A Florence flask, also called a boiling flask, is a piece of laboratory glassware. It is a round or flat-bottom flask with a long neck. It is designed for even heating and is produced in a number of different glass thicknesses to stand different types of use. The flask is named after Florence, Italy. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.