fluctuation

A noun referring to an irregular rising and falling in number, amount, or level; a continuous change or variation.

ruСуществительное, обозначающее неравномерное повышение и понижение числа, количества или уровня; непрерывное изменение или колебание.esSustantivo que designa el cambio o variación continua, especialmente el aumento y disminución irregulares de una cantidad, nivel o valor; oscilación o inestabilidad.frNom désignant une variation irrégulière à la hausse et à la baisse d'un nombre, d'une quantité ou d'un niveau ; un changement ou une oscillation continue.deSubstantiv, das die ungleichmäßige Zu- und Abnahme einer Zahl, Menge oder eines Niveaus bezeichnet; ständige Veränderung oder Schwankung.ptSubstantivo que designa a variação irregular ou o aumento e a diminuição alternados de um número, quantidade ou nível; mudança contínua ou oscilação.zh表示数量、数值或水平的不规则升降；持续的变化或波动。arاسم يدل على التغير غير المنتظم في العدد أو الكمية أو المستوى، بالارتفاع والانخفاض أو التبدل المستمر.

1. Irregular change B2 formal

   A continuous change in level, strength, or value, especially up and down.

   • The stock market showed significant fluctuation this week.
   • Temperature fluctuation can affect plant growth.
   • There is a fluctuation in the exchange rate.

   ruКолебаниеesfluctuaciónfrFluctuation (changement irrégulier)deSchwankungptFlutuaçãozh波动arتقلب

   Synonyms: fluxinstabilityoscillationshiftswingunsteadinessvariancevariation

   Antonyms: consistencyconstancystabilitysteadiness

2. Variation in quantity B2 formal

   An irregular rising and falling in number or amount.

   • The fluctuation in oil prices impacts the global economy.
   • Scientists study the fluctuation of sea levels over time.
   • There was a fluctuation in the patient's blood pressure.

   ruКолебаниеesFluctuaciónfrfluctuation (variation en quantité)deSchwankungptFlutuaçãozh波动arتَقَلُّب

   Synonyms: fluxinstabilityoscillationshiftswingvariation

   Antonyms: constancystabilitysteadinessuniformity

• fluctuations plural form
• fluctuations' possessive plural form
• fluctuation's possessive singular form