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flask

noun

Simple meaning

Laboratory glassware used to hold larger volumes than test tubes.

Pronunciation

Say it like this:

flask
US device voice
IPA pronunciation (US)

ˈflæsk

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

noun

  1. A container used to discreetly carry a small amount of a hard alcoholic beverage; a pocket flask.

  2. sciences

    Laboratory glassware used to hold larger volumes than test tubes, normally having a narrow mouth of a standard size which widens to a flat or spherical base.

  3. A narrow-necked vessel of metal or glass, used for various purposes; as of sheet metal, to carry gunpowder in; or of wrought iron, to contain quicksilver; or of glass, to heat water in, etc.

  4. A nuclear flask, a large, secure lead-lined container for the transport of nuclear material.

  5. A bed in a gun carriage.

Word at a Glance

Difficulty
C1 · Advanced (estimated)
Frequency
Uncommon
Formality
Technical

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: A container used to discreetly carry a small amount of a hard alcoholic beverage; a pocket flask.

Used this way, flask is a reasonably familiar word that usually carries little praise or criticism of its own. It stays understated rather than dramatic. It usually sounds natural in a wide range of settings.

Emotional tone
Neutral
Formality
Neutral
Intensity
Mild
How common
Moderately common
Connotation
Matter-of-fact
Usage feel
Neutral and straightforward

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

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Common Patterns and Combinations

How this word naturally appears with others.

Narrow / bottle

glass flask

Laboratory

volumetric flaskbottomed flask

Other combinations

conical flaskdewar flaskthermos flasksmall flaskreaction flask

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Word Family

Related forms, grouped by how they connect.

Compound terms

Established multiword terms.

  • erlenmeyer flasknounCompound term

    A conical flask with a wide base and narrow neck.

  • pocket flasknounCompound term

    A flask that holds spirits.

  • powder flasknounCompound term

    Container for carrying gunpowder.

  • round-bottom flasknounCompound term

    A spherical flask with a narrow neck.

  • thermos flasknounCompound term

    Vacuum flask that preserves temperature of hot or cold drinks.

  • dewar flasknounCompound term

    Vacuum flask that holds liquid air or helium for scientific experiments.

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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.