a round bottle having a flat bottom and long neck, for use in laboratories.
Origin of Florence flask
First recorded in 1735–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for florence flask
a round flat-bottomed glass flask with a long neck, used in chemical experiments
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012