Definition of 'buoyancy'

Word Frequency

buoyancy

(bɔɪənsi )

1. uncountable noun

Buoyancy is the ability that something has to float on a liquid or in the air.

Air can be pumped into the diving suit to increase buoyancy.

Synonyms: floatability, lightness, weightlessness More Synonyms of buoyancy

2. uncountable noun

Buoyancy is a person's ability to remain cheerful, even in sad or unpleasant situations.

I'll have to take stock, go carefully and regain my buoyancy.

3. uncountable noun

Buoyancy is a feeling of cheerfulness.

...a mood of buoyancy and optimism.

Synonyms: cheerfulness, bounce [informal], pep, animation More Synonyms of buoyancy

4. uncountable noun

There is economic buoyancy when the economy is growing.

The likelihood is that the slump will be followed by a period of buoyancy.

Synonyms: expansion, development, strength, mushrooming More Synonyms of buoyancy

Word Frequency

buoyancy in British

(ˈbɔɪənsɪ )

noun

the ability to float in a liquid or to rise in a fluid

the property of a fluid to exert an upward force (upthrust) on a body that is wholly or partly submerged in it

the ability to recover quickly after setbacks; resilience

cheerfulness

Word Frequency

buoyancy in American

(ˈbɔɪənsi ; boiˈənsē; also ˈbujənsi ; bo̅oˈyənsē)

noun

the ability or tendency to float or rise in liquid or air

the power to keep something afloat; upward pressure on a floating object

lightness or resilience of spirit

Word origin of 'buoyancy'

< buoyant

Example sentences containing 'buoyancy'

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Instead the pilots carry buoyancy aids and an emergency air bottle for ditching at sea. Times, Sunday Times (2008)Pools with a perfect mix of ozone and oxygen increase buoyancy and produce quicker race times. The Sun (2013)Industries that have passed their peak decline slowly and are being held up by the overall buoyancy of the economy. Peter F. Drucker MANAGEMENT: task, responsibilities, practices (1974)Swimming was tricky, but they were an effective buoyancy aid. Times, Sunday Times (2007)Surfing such huge waves requires knee braces, buoyancy aids and weights for the descent. Times, Sunday Times (2013)Participants should always wear a helmet, buoyancy aid and wetsuit. Times, Sunday Times (2013)Apart from helping the buoyancy of the boat, there is another advantage to moving from side to side with the crew. Times, Sunday Times (2015)Our youngest learned to walk, our middle son enjoyed his first pony ride and our eldest swam for the first time without any buoyancy aids. The Sun (2015)A buoyancy aid is safer. Times, Sunday Times (2014)Despite the apparent buoyancy of the economy, and its lightning scramble out of the global financial crisis, deep sensitivities remain. Times, Sunday Times (2009)

Trends of 'buoyancy'

Used Occasionally. buoyancy is one of the 30000 most commonly used words in the Collins dictionary

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Translations for 'buoyancy'

British English: buoyancy NOUN

on liquid etc Buoyancy is the ability that something has to float on a liquid or in the air.

Air can be pumped into the diving suit to increase buoyancy.

American English: buoyancy
Brazilian Portuguese: flutuabilidade
Chinese: 浮力
European Spanish: flotabilidad
French: flottabilité
German: Schwimmfähigkeit
Italian: galleggiabilità
Japanese: 浮力
Korean: 부력
European Portuguese: flutuabilidade
Spanish: flotabilidad

British English: buoyancy NOUN

cheerfulness Buoyancy is a feeling of cheerfulness.

...a mood of buoyancy and optimism.

American English: buoyancy
Brazilian Portuguese: vivacidade
Chinese: 开朗
European Spanish: flotabilidad
French: entrain
German: Schwung
Italian: allegria
Japanese: 陽気さ
Korean: 쾌활
European Portuguese: vivacidade
Spanish: flotabilidad

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Nearby words of 'buoyancy'

Related Terms of 'buoyancy'

Source

Definition of buoyancy from the Collins English Dictionary

Numbers

There are two common kinds of number: Cardinal numbers are used in all forms of counting that involve a total. one chair two chairs a hundred people ten thousand pounds Ordinal numbers ...