fugacity

[/fjuːˈɡæsɪti/]
nounpl: fugacities
fugacidade
1. The quality of being fleeting, transient, or ephemeral; the state of lasting only a short time
The fugacity of youth is something many people regret not appreciating sooner.
A fugacidade da juventude é algo que muitas pessoas se arrependem de não valorizar antes.
2. (Chemistry/Physics) A measure of the tendency of a substance to escape from a solution or mixture, representing the effective pressure or concentration of a gas
The fugacity of water vapor in the atmosphere affects weather patterns.
A fugacidade do vapor de água na atmosfera afeta os padrões climáticos.
3. The tendency or inclination to flee or escape; a fleeing quality
His fugacity from responsibility became a defining characteristic of his career.
Sua fugacidade da responsabilidade tornou-se uma característica definidora de sua carreira.
Fugacity is primarily a formal or technical term used in both English-speaking countries and Brazil, particularly in chemistry, physics, and literary or philosophical contexts. It appears frequently in academic writing when discussing the transient nature of experiences or the thermodynamic properties of substances. The word carries a somewhat poetic quality when used metaphorically, often evoking nostalgia or reflection on the passage of time.
Synonyms / Sinônimos
transienceimpermanenceevanescenceephemeralnessfleetingnessbrevity
Antonyms / Antônimos
permanencedurabilitystabilityconstancypersistence

Regional Variations

General Brazilian
fugacidade
Standard term used in both scientific and literary contexts
Portugal
fugacidade
Same usage as Brazilian Portuguese; technical term in chemistry is identical
Academic/Scientific
fugacidade
Commonly used in thermodynamics and chemistry courses and research

Related Words

fugaciousfugitivetransientephemeralvolatileevanescent

Related Idioms & Phrases

the fugacity of time
fugacity of life
in the fugacity of the moment
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