florence flask: meaning, definition, pronunciation and examples

C1/C2 (Technical/Scientific)
UK/ˈflɒrəns flɑːsk/US/ˈflɔːrəns flæsk/

Technical/Scientific, Formal

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Quick answer

What does “florence flask” mean?

A round-bottomed laboratory flask with a long neck, traditionally made from borosilicate glass.

Audio

Pronunciation

Definition

Meaning and Definition

A round-bottomed laboratory flask with a long neck, traditionally made from borosilicate glass.

Any round-bottomed flask used primarily in chemistry for boiling, distillation, or holding liquids, often heated over a Bunsen burner or in a heating mantle. The term is sometimes used more loosely for similar vessels in historical or industrial contexts.

Dialectal Variation

British vs American Usage

Differences

No significant lexical differences. Both dialects use the same term.

Connotations

Neutral technical term in both regions. May sound slightly old-fashioned or textbook-specific compared to 'round-bottom(ed) flask'.

Frequency

Equally low-frequency in both dialects, confined to scientific/educational contexts.

Grammar

How to Use “florence flask” in a Sentence

The [solution/chemical] was heated in a florence flask.A florence flask [contained/was filled with] [liquid].[Heat/Boil] the mixture using a florence flask.

Vocabulary

Collocations

strong
glass florence flaskheat a florence flask500ml florence flaskborosilicate florence flask
medium
attach to a florence flaskcontents of the florence flaskneck of the florence flask
weak
clean the florence flaskstandard florence flaskfamous florence flask

Usage

Meaning in Context

Business

Not used.

Academic

Used in chemistry textbooks, lab manuals, and historical descriptions of experimental apparatus.

Everyday

Virtually never used.

Technical

Used in chemistry labs, scientific supply catalogs, and procedural documentation, though 'round-bottom flask' is often preferred.

Vocabulary

Synonyms of “florence flask”

Strong

round-bottom flask

Neutral

round-bottom flaskround-bottomed flaskboiling flask

Weak

laboratory flaskchemist's flask

Vocabulary

Antonyms of “florence flask”

flat-bottomed flaskErlenmeyer flaskconical flask

Watch out

Common Mistakes When Using “florence flask”

  • Incorrect capitalisation ('florence Flask'),
  • Misidentifying an Erlenmeyer or volumetric flask as a Florence flask.
  • Using 'Florence flask' as a general term for any laboratory flask.

FAQ

Frequently Asked Questions

Essentially, yes. 'Florence flask' is a specific, traditional name for a round-bottomed boiling flask. In modern labs, 'round-bottom flask' is the more common generic term.

The etymology is uncertain but is traditionally said to originate from the city of Florence, Italy, possibly where this style of glassware was originally produced or became widely used for chemical purposes.

No, its spherical, round bottom means it cannot stand upright on a flat surface. It must be held in a clamp, placed in a heating mantle, or set on a specialised ring stand or support.

Its primary uses are for boiling liquids, distillation setups, and chemical reactions where even heating of the contents is required, often involving a heat source like a Bunsen burner or heating mantle.

A round-bottomed laboratory flask with a long neck, traditionally made from borosilicate glass.

Florence flask is usually technical/scientific, formal in register.

Florence flask: in British English it is pronounced /ˈflɒrəns flɑːsk/, and in American English it is pronounced /ˈflɔːrəns flæsk/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Picture the famous Italian city of Florence. Now imagine a scientist there inventing a round, bulbous flask for wine or potions. The round bottom reminds you of the dome of the Florence Cathedral.

Conceptual Metaphor

CONTAINER FOR TRANSFORMATION (as it holds substances undergoing chemical change).

Practice

Quiz

Fill in the gap
During distillation, the liquid is boiled in a before the vapours travel into the condenser.
Multiple Choice

What is the primary characteristic of a Florence flask?