buoyancy

Definition from Wiktionary, the free dictionary
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English[edit]

Etymology[edit]

buoyant +‎ -cy or buoy +‎ -ancy.

English Wikipedia has an article on:
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Pronunciation[edit]

  • (UK, US) IPA(key): /ˈbɔɪ.ən.si/
  • (file)

Noun[edit]

buoyancy (countable and uncountable, plural buoyancies)

  1. (physics) The upward force on a body immersed or partly immersed in a fluid.
  2. The ability of an object to stay afloat in a fluid.
  3. (by extension) Resilience or cheerfulness.
    • 1834, Letitia Elizabeth Landon, Francesca Carrara, volume 3, page 82:
      With how much lighter a step, with how much brighter an eye, did Francesca wander through the forest, even in the last desolation of autumn, than she did in all the bloom and buoyancy of spring!

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