GDict

rational

'ræʃәnl11 senses · 470 ms
Level B1CET-4CET-6GREIELTS考研TOEFL
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adj/ˈɹæʃ(ə)nəl/
  1. 1

    Capable of reasoning.

    • Man is a rational creature.
  2. 2

    Capable of reasoning.; Behaving according to some partial order of preferences.

  3. 3

    Logically sound; not self-contradictory or otherwise absurd.

    • His statements were quite rational.
  4. 4

    Healthy or balanced intellectually; exhibiting reasonableness.

    • rational conduct
    • Temperature 99.8 degrees. Pulse 104. She was quite conscious and rational at times, at others very noisy.
  5. 5

    Comprising, or expressible as, a ratio; Of a number, capable of being expressed as the ratio of two integers.not-comparable

    • ¾ is a rational number, but √2 is an irrational number.
  6. 6

    Comprising, or expressible as, a ratio; Of an algebraic expression in indeterminates, or more generally a function: capable of being expressed as the ratio of two polynomials.not-comparable

  7. 7

    Comprising, or expressible as, a ratio; Of a variety: (informally) geometrically simple almost everywhere; (formally) birationally equivalent to projective spacenot-comparable

  8. 8

    Comprising, or expressible as, a ratio; Of a function between varieties: acting as a morphism on an open subset of its domain.not-comparable

  9. 9

    Comprising, or expressible as, a ratio; Of a point on an algebraic variety over a field: whose coordinates belong to the field in question (in contrast to those points of the variety which are only defined over the algebraic closure of the base field).not-comparable

  10. 10

    synonymous replacement for "condensed" in condensed formula.obsolete

ant. absurd · irrational · nonsensical · arbitrary · arational · non-rational

noun/ˈɹæʃ(ə)nəl/
  1. 1

    A rational number: a number that can be expressed as the quotient of two integers.

    • The quotient of two rationals is again a rational.
noun/ˈɹæʃ(ə)nəl/
  1. 1

    The breastplate worn by Israelite high priests.historical

    • The Rationale of iudgement alſo thou shalt mke with embrodered worke of diuers colours, according to the workmanship of the Ephod of gold, hyacinth, and purple, and ſcarlet twiſe died, and twiſted ſilke.

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