rational
ˈræʃənəl
Definition Synonyms

Definition of rational - Reverso English Dictionary

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Adjective

1.
logical thinkingcapable of reasoning and logical thought
  • She made a rational decision based on facts.
logical reasonable
2.
logical soundnesslogically sound and not self-contradictory
  • His argument was rational and well-structured.
coherent logical
3.
mathematicsTECH.capable of being expressed as a ratio of two integersTECH.
  • The number 3/4 is a rational number.
fractional quotient ratio
4.
algebraic expressionTECH.capable of being expressed as a ratio of two polynomialsTECH.
  • The equation is a rational function.

Noun

mathematicsTECH.number written as a fractionTECH.
  • The number 0.5 is a rational.
fractional number quotient
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Expressions with rational

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reason based on logical thinking or evidence
He had a rational motive for his decision.
mental process that uses logic and evidence to reach conclusions
Rational thinking helped her evaluate the risks before making a decision.
decision that seems most sensible after thinking about different possible results
Moving closer to work was a rational choice for her family.
theory that individuals make decisions to maximize benefits
Economists often use rational choice theory to predict consumer behavior.
number that can be expressed as a fraction
The number 0.5 is a rational number because it equals 1/2..
clothes designed for comfort and practicality
She wore rational dress for the hiking trip.

Origin of rational

Latin, ratio (reason) + -alis (pertaining to)

Terms with rational included in their meaning

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intellectual activity
using thought or rational judgment
thinking
rational consideration of a situation or decision
advisor
person who advises calm and rational thinking
impulsivity
acting impulsively without rational thought
guidance
person providing calm and rational advice
philosophy
rational and critically-minded in approach
child development
period when a child develops rational thinking
rational
thinking clearly and logically

Examples of rational in a sentence

  • The scientist provided a rational explanation for the phenomenon.
  • She made a rational decision after considering all the facts.
  • The plan was rational and easy to follow.
  • The fraction 5/8 is a rational number.
  • Rational numbers include both positive and negative fractions.
  • Any rational expression can be written as a quotient of polynomials.

View all translations of rational

Click below to see the appropriate translations facing each meaning.
  1. French:rationnel, nombre rationnel, ...
  2. German:vernünftig, rationale Zahl, ...
  3. Italian:razionale, numero razionale, ...
  4. Spanish:racional, número racional, ...
  5. Portuguese:racional, coerente, ...
  6. Chinese:理性的, 有理数, ...
  7. Japanese:合理的な, 有理数, ...
  8. Arabic:عَقْلاني, عَدَد نِسْبِي, ...
  9. Hebrew:רַצְיוֹנָלִי, מִסְפָּר רַצְיוֹנָלִי, ...
  10. Russian:рациональный, рациональное число, ...
  11. Ukrainian:раціональний, раціональне, ...
  12. Hindi:तार्किक, परिमेय संख्या, ...
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