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Rational vs Doubt - What's the difference?

rational | doubt |

As nouns the difference between rational and doubt

is that rational is (mathematics) a rational number: a number that can be expressed as the quotient of two integers while doubt is uncertainty, disbelief.

As an adjective rational

is capable of reasoning.

As a verb doubt is

(ambitransitive) to lack confidence in; to disbelieve, question, or suspect.

rational

English

Alternative forms

* rationall (obsolete)

Etymology 1

From (etyl) rationel, rational, from (etyl)

Adjective

(en adjective)
  • Capable of reasoning.
  • *
  • Logically sound; not contradictory or otherwise absurd.
  • (label) Healthy or balanced intellectually; exhibiting reasonableness.
  • *{{quote-magazine, date=2014-06-21, volume=411, issue=8892, magazine=(The Economist)
    • , title= Magician’s brain , passage=The [Isaac] Newton that emerges from the [unpublished] manuscripts is far from the popular image of a rational practitioner of cold and pure reason. The architect of modern science was himself not very modern. He was obsessed with alchemy.}}
  • Of a number, capable of being expressed as the ratio of two integers.
    • ¾ is a rational number, but ?2 is an irrational number.
  • Of an algebraic expression, capable of being expressed as the ratio of two polynomials.
  • (label) Expressing the type, structure, relations, and reactions of a compound; graphic; said of formulae.
    • Antonyms
    * (reasonable) absurd, irrational, nonsensical * (capable of reasoning) arational, irrational, non-rational * (number theory) irrational
    Related terms
    * arational * irrational * non-rational * rationale * rationality * rationalness * subrational * suprarational

    Etymology 2

    From (etyl) rational, from , for which see the first etymology.

    Noun

    (en noun)
  • (mathematics) A rational number: a number that can be expressed as the quotient of two integers.
    • The quotient of two rationals''' is again a '''rational .
  • A rational being.
    • (Young)

    References

    * *

    Anagrams

    *

    doubt

    English

    Alternative forms

    * (l) (obsolete)

    Noun

    (wikipedia doubt)
  • Uncertainty, disbelief.
  • *
    • It was April 22, 1831, and a young man was walking down Whitehall in the direction of Parliament Street.. He halted opposite the Privy Gardens, and, with his face turned skywards, listened until the sound of the Tower guns smote again on the ear and dispelled his doubts .

    Related terms

    * benefit of the doubt * beyond a shadow of a doubt * beyond doubt * beyond reasonable doubt * doubtable * doubter * doubtful * doubting Thomas * doubtless * no doubt * reasonable doubt * shadow of a doubt * self-doubt * undoubtedly * without doubt

    Verb

    (en verb)
  • (ambitransitive) To lack confidence in; to disbelieve, question, or suspect.
    • He doubted that was really what you meant.
  • * Hooker
    • Even in matters divine, concerning some things, we may lawfully doubt
  • * Dryden
    • To try your love and make you doubt of mine.
  • (archaic) To fear; to suspect.
  • * 1819 , Lord Byron, Don Juan , I.186:
    • He fled, like Joseph, leaving it; but there, / I doubt , all likeness ends between the pair.
  • (obsolete) To fear; to be apprehensive of.
  • * R. of Gloucester
    • Edmond [was a] good man and doubted God.
  • * Shakespeare
    • I doubt some foul play.
  • * Spenser
    • I of doubted danger had no fear.
  • (obsolete) To fill with fear; to affright.
  • *
  • * Beaumont and Fletcher
    • The virtues of the valiant Caratach / More doubt me than all Britain.

    Related terms

    * dubiety * dubious

    Statistics

    * English reporting verbs