buoyancy

uncountable

A noun describing the ability or tendency to float in a fluid, or figuratively, a cheerful and resilient disposition.

ruСуществительное, описывающее способность или склонность плавать в жидкости, или, в переносном смысле, жизнерадостный и устойчивый характер.esSustantivo que designa la capacidad o tendencia de un cuerpo para flotar en un líquido, o, en sentido figurado, un carácter alegre, resiliente y optimista.frNom désignant la capacité ou la tendance d'un objet à flotter dans un liquide, ou, au sens figuré, un caractère enjoué et résilient.deSubstantiv, das die Fähigkeit oder Neigung beschreibt, in einer Flüssigkeit zu schwimmen oder zu schweben; im übertragenen Sinn auch eine heitere, widerstandsfähige und zuversichtliche Gemütsverfassung.ptSubstantivo que descreve a capacidade ou tendência de flutuar em um líquido ou, em sentido figurado, um ânimo alegre e resiliente.zh名词，指物体在液体中漂浮或上浮的能力或倾向；引申义指乐观、有活力且能迅速从挫折中恢复的心态。arاسم يدل على قدرة الجسم أو ميله إلى الطفو على سطح سائل، ويُستعمل مجازًا للدلالة على خفة الروح والمرح والتفاؤل والقدرة على الصمود.

1. Tendency to float B2 formal scientific

   The ability or tendency of an object to float in a liquid or rise in a gas.

   • The buoyancy of the life jacket kept him afloat.
   • Salt water increases buoyancy compared to fresh water.
   • The submarine adjusted its buoyancy to dive deeper.

   ruПлавучестьesFlotabilidadfrFlottabilitédeAuftriebptFlutuabilidadezh浮力arالطفو

   Antonyms: sinkingsubmersion

2. Cheerfulness C1 formal

   A lighthearted, cheerful, and optimistic quality that is hard to suppress.

   • Her natural buoyancy lifted the spirits of everyone around her.
   • Despite the bad news, he maintained a remarkable buoyancy.
   • The child's buoyancy was infectious.

   ruЖизнерадостностьesAlegría, optimismo y vitalidadfrenjouement, allégressedeLebensfrohheitptAlegria de viverzh乐观开朗arالبهجة

   Synonyms: cheerfulnesseffervescencegood humorlightheartednessoptimismsunninessvivacity

   Antonyms: gloompessimism

3. Liveliness and good spirit C1 formal

   An irrepressible energy and positive spirit that cannot be easily dampened.

   • The team played with great buoyancy and enthusiasm.
   • His buoyancy in the face of adversity was inspiring.
   • The party had a buoyancy that lasted all night.

   ruЖизнерадостностьesVivacidad y buen ánimofrEntrain, allantdeLebensfreude und SchwungptVivacidadezh活力与乐观精神arالبهجة والحيوية

   Synonyms: animationcheerfulnessebullienceexuberancelightheartednesslivelinessoptimismresiliencespiritednessvitalityvivacity

   Antonyms: dejectiondepressiondespondencygloomlethargy

4. Weightlessness or insubstantiality C2 formal

   The quality of being light, airy, or lacking in substance.

   • The buoyancy of the clouds made them seem like cotton candy.
   • There was a buoyancy to her step as she danced.
   • The fabric had a buoyancy that made it float in the air.

   ruЛегкостьesLevedad o falta de sustanciafrLégèreté, caractère aériendeLeichtigkeitptLevezazh轻飘arخِفَّة

   Synonyms: airinessinsubstantialitylightnessweightlessness

   Antonyms: gravitysubstantialityweight

• buoyancies plural form
• buoyancies' possessive plural form
• buoyancy's possessive singular form