Florence flask

American  

noun

1. a round bottle having a flat bottom and long neck, for use in laboratories.

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Florence flask British  

noun

1. a round flat-bottomed glass flask with a long neck, used in chemical experiments

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Etymology

Origin of Florence flask

First recorded in 1735–45

Example Sentences

A pearÏshaped bottle covered round with straw, in which olive oil is sometimes brought from Italy; Ð called by chemists a Florence flask.

From Project Gutenberg

He strongly heated a quantity of charcoal, pulverized it, and placed it in a Florence flask, which was connected by means of a stopcock with a bladder filled with carbonic acid: after a week he found that the flask and its contents had not sensibly increased in weight, and he concluded that no carbonic acid had been absorbed by the charcoal.

From Project Gutenberg

As relates to outline, this hydatid bears no small resemblance to a Florence flask.

From Project Gutenberg

The Water-glass Barometer.—If a Florence flask, having a long neck, have a small quantity of water poured into it, and then be inverted and so supported that the open end dips into a vessel containing water, a small column of water will be confined in the neck of the bottle, the pressure of which, upon the surface of the exposed water, will be equal to the difference between the atmospheric pressure and the elasticity of the confined air in the body of the bottle.

From Project Gutenberg

Put half a drachm of solid phosphorus into a large pint Florence flask; holding it slanting, that the phosphorus may not break the glass.

From Project Gutenberg