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rational    音标拼音: [r'æʃənəl] [r'æʃnəl]
a. 理性的,合理的,推理的
n. 有理数

理性的,合理的,推理的有理数

rational
有理

rational
adj 1: consistent with or based on or using reason; "rational
behavior"; "a process of rational inference"; "rational
thought" [ant: {irrational}]
2: of or associated with or requiring the use of the mind;
"intellectual problems"; "the triumph of the rational over
the animal side of man" [synonym: {intellectual}, {rational},
{noetic}]
3: capable of being expressed as a quotient of integers;
"rational numbers" [ant: {irrational}]
4: having its source in or being guided by the intellect (as
distinguished from experience or emotion); "a rational
analysis"
n 1: an integer or a fraction [synonym: {rational number},
{rational}]

Rational \Ra"tion*al\ (r[a^]sh"[u^]n*al), a. [L. rationalis: cf.
F. rationnel. See {Ratio}, {Reason}, and cf. {Rationale}.]
1. Relating to the reason; not physical; mental.
[1913 Webster]

Moral philosophy was his chiefest end; for the
rational, the natural, and mathematics . . . were
but simple pastimes in comparison of the other.
--Sir T.
North.
[1913 Webster]

2. Having reason, or the faculty of reasoning; endowed with
reason or understanding; reasoning.
[1913 Webster]

It is our glory and happiness to have a rational
nature. --Law.
[1913 Webster]

3. Agreeable to reason; not absurd, preposterous,
extravagant, foolish, fanciful, or the like; wise;
judicious; as, rational conduct; a rational man.
[1913 Webster]

4. (Chem.) Expressing the type, structure, relations, and
reactions of a compound; graphic; -- said of formulae. See
under {Formula}.
[1913 Webster]

{Rational horizon}. (Astron.) See {Horizon}, 2
(b) .

{Rational quantity} (Alg.), one that can be expressed without
the use of a radical sign, or in exact parts of unity; --
opposed to {irrational} or {radical quantity}.

{Rational symptom} (Med.), one elicited by the statements of
the patient himself and not as the result of a physical
examination.
[1913 Webster]

Syn: Sane; sound; intelligent; reasonable; sensible; wise;
discreet; judicious.

Usage: {Rational}, {reasonable}. Rational has reference to
reason as a faculty of the mind, and is opposed to
irrational; as, a rational being, a rational state of
mind, rational views, etc. In these cases the
speculative reason is more particularly, referred to.
Reasonable has reference to the exercise of this
faculty for practical purposes, and means, governed or
directed by reason; as, reasonable desires or plans; a
reasonable charge; a reasonable prospect of success.
[1913 Webster]

What higher in her society thou find'st
Attractive, human, rational, love still.
--Milton.
[1913 Webster]

A law may be reasonable in itself, although a
man does not allow it, or does not know the
reason of the lawgivers. --Swift.
[1913 Webster]


Rational \Ra"tion*al\, n.
A rational being. --Young.
[1913 Webster]

140 Moby Thesaurus words for "rational":
acceptable, admissible, algorismic, algorithmic, aliquot,
all there, analytic, balanced, bright, calm, cardinal, cerebral,
circumspect, clear-eyed, clearheaded, clearminded, cogent,
commonsense, compos mentis, conceptive, conceptual, consequent,
cool, coolheaded, credible, decimal, differential, digital,
discriminating, discursive, down-to-earth, earthy, endopsychic,
enlightened, even, everyday, exponential, figural, figurate,
figurative, finite, fractional, hardheaded, healthy-minded,
ideational, imaginary, impair, impossible, infinite, informed,
integral, intellectual, intelligent, internal, irrational,
judicious, just, justifiable, knowing, knowledgeable, legitimate,
level-headed, levelheaded, logarithmic, logical, logometric, lucid,
matter-of-fact, mental, mentally sound, negative, noetic,
noological, normal, not so dumb, numeral, numerary, numerative,
numeric, odd, of sound mind, ordinal, pair, philosophical, phrenic,
plausible, positive, positivistic, possible, practical,
practical-minded, pragmatic, prime, prudent, psychic, psychologic,
radical, ratiocinative, ratiocinatory, real, realist, realistic,
reasonable, reasoning, reciprocal, right, sane, sane-minded,
scientific, scientistic, secular, sensible, sober, sober-minded,
sophic, sound, sound-minded, sound-thinking, spiritual, stable,
straight-thinking, strong-minded, subjective, submultiple, surd,
thinking, together, transcendental, understanding, unideal,
unidealistic, unromantic, unsentimental, well-argued,
well-balanced, well-founded, well-grounded, wholesome, wise,
worldly


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  • RATIONAL Definition Meaning - Merriam-Webster
    The meaning of RATIONAL is having reason or understanding How to use rational in a sentence
  • RATIONAL Definition Meaning | Dictionary. com
    Rational comes from the Latin word rationalis, meaning reasonable or logical If you're rational, you do things based on logic, as opposed to impulse or whimsy The original meaning in English was of something endowed with the ability to reason
  • RATIONAL Dealer | RATIONAL
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  • RATIONAL | English meaning - Cambridge Dictionary
    RATIONAL definition: 1 based on clear thought and reason: 2 (of a number) that can be expressed as the ratio of two… Learn more
  • Rationality - Wikipedia
    Rationality is the quality of being guided by or based on reason In this regard, a person acts rationally if they have a good reason for what they do, or a belief is rational if it is based on strong evidence
  • Rational - definition of rational by The Free Dictionary
    Define rational rational synonyms, rational pronunciation, rational translation, English dictionary definition of rational adj 1 Having or exercising the ability to reason
  • Rational - Definition, Meaning Synonyms | Vocabulary. com
    Rational comes from the Latin word rationalis, meaning reasonable or logical If you're rational, you do things based on logic, as opposed to impulse or whimsy The original meaning in English was of something endowed with the ability to reason
  • RATIONAL definition and meaning | Collins English Dictionary
    Rational decisions and thoughts are based on reason rather than on emotion He's asking you to look at both sides of the case and come to a rational decision Mary was able to short-circuit her stress response by keeping her thoughts calm and rational
  • RATIONAL Synonyms Antonyms - 139 words | Thesaurus. com
    Find 139 different ways to say RATIONAL, along with antonyms, related words, and example sentences at Thesaurus com
  • RATIONAL United States - Facebook
    RATIONAL is live-cooking on the iCombi Pro and iVario Pro to show what efficient production can look like—especially for kitchens that balance catering volume with à la carte service





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