buoyancy

[/ˈbɔɪ.ən.si/]

nounfeminine

flutuabilidade

1. The ability or tendency of an object to float or rise in a fluid (liquid or gas)

The buoyancy of the wood allows it to float on water.

A flutuabilidade da madeira permite que ela flutue na água.

2. The upward force exerted by a fluid on an immersed object (Archimedes' principle)

The buoyancy force equals the weight of the displaced fluid.

A força de flutuabilidade é igual ao peso do fluido deslocado.

3. Cheerfulness; the quality of being lighthearted or optimistic

Despite the difficulties, her buoyancy never wavered.

Apesar das dificuldades, sua alegria nunca vacilou.

Synonyms

Antonyms

Regional Variations

General Brazilian

flutuabilidade

standard term used in physics and engineering

Brazil

capacidade de flutuar

alternative descriptive phrase

Portugal

flutuabilidade

same as Brazilian Portuguese; flutuação also used in some contexts

General

alegria

used for the emotional/figurative meaning

positive buoyancy - the ability to remain afloat

keep one's buoyancy - to maintain optimism despite challenges

negative buoyancy - the tendency to sink

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