buoyancy

noun
UK: /ˈbɔɪ.ən.si/
US: /ˈbɔɪ.ən.si/

  1. The ability or tendency to float in water or air.

    1. The ball's buoyancy kept it on the water surface.
    2. The high buoyancy of the life jacket will keep you afloat in the ocean.

  2. The power of supporting something so it floats.

    1. Seawater provides more buoyancy than fresh water does.
    2. The boat's design ensures maximum buoyancy, preventing it from sinking easily.

  3. An optimistic and cheerful attitude.

    1. Her buoyancy was infectious.
    2. Despite the challenges, his buoyancy never wavered, inspiring everyone around him.

Synonyms

floatation lightness optimism

Frequently Asked Questions

The word "buoyancy" in English means: The ability or tendency to float in water or air., The power of supporting something so it floats., An optimistic and cheerful attitude..

The phonetic transcription of "buoyancy" is /ˈbɔɪ.ən.si/ in British English and /ˈbɔɪ.ən.si/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "buoyancy": floatation, lightness, optimism.

Example usage of "buoyancy": "The ball's buoyancy kept it on the water surface.". More examples on the page.