rational

Based on or in accordance with reason or logic.

ruОснованный на разуме или логике, соответствующий им.esBasado en la razón o la lógica, o que se ajusta a ellas. También se refiere a algo sensato, razonable o bien fundamentado.frQui est fondé sur la raison ou la logique, ou qui s'y conforme ; sensé, cohérent, ou justifié par un raisonnement valable.deAuf der Vernunft oder Logik beruhend, diesen entsprechend; vernünftig und logisch denkend oder handelnd.ptBaseado na razão ou na lógica, ou que está de acordo com elas; que age de maneira sensata e coerente.zh基于理智或逻辑的，符合理智或逻辑的；也指人明智、讲道理。arقائم على العقل أو المنطق ومطابق لهما، ويتصف بالتفكير السليم والاستنتاج المنطقي.

1. Based on reason B2 formal

   Based on or in accordance with reason or logic, rather than emotion.

   • She made a rational decision based on the facts.
   • A rational approach to problem-solving is essential.
   • His argument was clear and rational.

   ruРациональныйesracional (basado en la razón)frConforme à la raisondeRationalptRacionalzh理性的arعقلاني

   Synonyme: cogentjudiciouslogicalreasonablesensiblesound

   Antonyme: absurdemotionalillogicalintuitiveirrationalunreasonable

2. Sane or sensible B2 formal

   Having the ability to think clearly and make sensible decisions.

   • He remained rational even during the crisis.
   • It's hard to be rational when you're very angry.
   • The patient was not considered rational at the time.

   ruРациональныйesRacional, sensatofrraisonnable / sensédeRationalptRacionalzh理性的arعاقل

   Synonyme: clear-thinkingjudiciouslevel-headedlogicalreasonablesanesensiblesound

   Antonyme: illogicalinsaneirrationalsenselessunreasonableunwise

• more rational comparative form
• most rational superlative form

unzählbar

A noun referring to a rational number, or a mathematical quantity that can be expressed as a ratio of two integers.

ruСуществительное, обозначающее рациональное число или математическую величину, которую можно выразить как отношение двух целых чисел.esSustantivo que denota un número racional o una cantidad matemática que puede expresarse como cociente de dos números enteros.frNom désignant un nombre rationnel ou une grandeur mathématique pouvant être exprimée comme le rapport de deux entiers.deSubstantiv, das eine rationale Zahl oder eine mathematische Größe bezeichnet, die als Verhältnis zweier ganzer Zahlen dargestellt werden kann.ptSubstantivo que designa um número racional, ou seja, uma quantidade matemática que pode ser expressa como a razão entre dois números inteiros.zh名词，指有理数，即可以表示为两个整数之比的数或数学量。arاسم يشير إلى العدد النسبي أو الكمية الرياضية التي يمكن التعبير عنها كنسبة بين عددين صحيحين.

1. Rational number B2 formal

   A number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

   • In mathematics, 3/4 is a rational number.
   • All integers are rational numbers because they can be written as a fraction.
   • The set of rational numbers includes both positive and negative fractions.

   ruРациональное числоesnúmero racionalfrNombre rationneldeRationale ZahlptNúmero racionalzh有理数arعدد كسري

• rationals plural form
• rationals' possessive plural form
• rational's possessive singular form