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buoyancy

noun

Simple meaning

The ability of an object to stay afloat in a fluid.

Pronunciation

Say it like this:

boyuhnsee

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US device voice
IPA pronunciation (US)

ˈbɔɪənsi

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. The ability of an object to stay afloat in a fluid.

  2. physics

    The upward force on a body immersed or partly immersed in a fluid.

  3. Cheerfulness that bubbles to the surface

  4. by extension

    Resilience or cheerfulness.

Word at a Glance

Difficulty
C1 · Advanced (estimated)
Frequency
Uncommon
Typical Use
Primarily written

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: The ability of an object to stay afloat in a fluid.

Used this way, buoyancy is a reasonably familiar word that usually carries little praise or criticism of its own. It usually sounds natural in a wide range of settings.

Emotional tone
Neutral
Formality
Neutral
Intensity
Not strongly marked
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.

More ways to use buoyancy

  • “I admired his buoyancy and persistent good humor.”noun

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Common Patterns and Combinations

How this word naturally appears with others.

Cheerfulness

buoyancy flux

Upward

buoyancy force

Other combinations

reserve buoyancyneutral buoyancynatural buoyancynegative buoyancypositive buoyancybuoyancy effect

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Word Family

Related forms, grouped by how they connect.

Compound terms

Established multiword terms.

  • center of buoyancynounCompound term

    The center of mass of the immersed part of ship or other floating object.

  • centre of buoyancynounCompound term

    The center of mass of the immersed part of ship or other floating object.

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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.