Definition of Rational

Babylon English
rational
adj. logical, reasonable; intelligent, prudent; expressible as a whole number (Mathematics)

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RATIONAL definition was found in categories: Computer & Internet(1)  Language, Idioms & Slang(6)  Arts & Humanities(2)  Business & Finance(1)  Encyclopedia(1)  

RATIONAL Definition from Computer & Internet Dictionaries & Glossaries

FOLDOC
rational
[Mathematics] a fractional number n/d, where n and d are integers, n is the numerator and d is the denominator. The set of all rational numbers is usually called Q. Computers do not usually deal with rational numbers but instead convert them to real numbers which are represented (approximately in some cases) as floating-point numbers. Compare irrational.


RATIONAL Definition from Language, Idioms & Slang Dictionaries & Glossaries

Webster's Revised Unabridged Dictionary (1913)
Rational
(n.)
A rational being.
  
(a.)
Relating to the reason; not physical; mental.
  
(a.)
Having reason, or the faculty of reasoning; endowed with reason or understanding; reasoning.
  
(a.)
Expressing the type, structure, relations, and reactions of a compound; graphic; -- said of formulae. See under Formula.
  
(a.)
Agreeable to reason; not absurd, preposterous, extravagant, foolish, fanciful, or the like; wise; judicious; as, rational conduct; a rational man.
  

WordNet 2.0
rational

Adjective
1. consistent with or based on or using reason; "rational behavior"; "a process of rational inference"; "rational thought"
(antonym) irrational
(similar) coherent, logical, lucid
(see-also) logical
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, noetic
(similar) mental
3. capable of being expressed as a quotient of integers; "rational numbers"
(antonym) irrational
(pertainym) ratio
(classification) mathematics, math, maths
4. having its source in or being guided by the intellect (distinguished from experience or emotion); "a rational analysis"
(similar) intellectual

The Devil's Dictionary
RATIONAL
Rational, (adj.)

Devoid of all delusions save those of observation, experience and reflection.
  

hEnglish - advanced version
rational

rational
\ra"tion*al\, n. a rational being.
rational
\ra"tion*al\ (?), a. [l. rationalis: cf. f. rationnel. see ratio, reason, and cf. rationale.]
1. relating to reason; not physical; mental. moral philosophy was his chiefest end; for the rational, the natural, and mathematics were but simple pastimes in comparison of the other. t. north.
2. having reason, or the faculty of reasoning; endowed with reason or understanding; reasoning. it is our glory and happiness to have a rational nature.
3. agreeable to reason; not absurd, preposterous, extravagant, foolish, fanciful, or the like; wise; judicious; as, rational conduct; a rational man.
4. (chem.) expressing the type, structure, relations, and reactions of a compound; graphic; -- said of formul?. see under formula.
rational
horizon. (astron.) see horizon, 2 (b)
rational
quantity (alg.), one that can be expressed without the use of a radical sign, or in extract 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.


  similar words(8) 




 rational or celestial horizon 
 rational quantity 
 rational fortran 
 rational formula 
 rational number 
 rational symptom 
 rational horizon 
 rational motive 

Concise English-Irish Dictionary v. 1.1
rational
réasúnach

JM Welsh <=> English Dictionary
Hybwyll
Hybwyll = a. discreet, rational

Pwyllig
Pwyllig = a. rational, discreet

Pwyllog
Pwyllog = a. having impulse, rational, considerate

Pwyllus
Pwyllus = a. impulsive; rational

Rhesymol
Rhesymol = a. rational; tolerable

Synwyrol
Synwyrol = a. sensible, rational


RATIONAL Definition from Arts & Humanities Dictionaries & Glossaries

Theological and Philosophical Biography and Dictionary
Rational
See Rational skepticism ; and Rational theology

Glossary of Kant's Technical Terms
rational
grounded in the faculty of reason rather than in sensibility. (See also intelligible.)


RATIONAL Definition from Business & Finance Dictionaries & Glossaries

Company Info: Ticker, Name, Description
RATL
Rational Software Corporation
Exchange: Nasdaq
Designs, develops, manufactures, markets and supports software development products; And provides technical consulting, training and support services.


RATIONAL Definition from Encyclopedia Dictionaries & Glossaries

Wikipedia English - The Free Encyclopedia
Rational
Rational may be:

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