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more about rational
## rational |

5 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Rational \Ra"tion*al\, n. A rational being --Young. From Webster's Revised Unabridged Dictionary (1913) [web1913]: 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 --Sir 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. --Law. 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[ae]. 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. From WordNet r 1.6 [wn]: rational adj 1: consistent with or based on or using reason; "rational behavior"; "a process of rational inference"; "rational thought" [ant: {irrational}] 2: associated with or requiring the use of the mind; "intellectual problems"; "the triumph of the rational over the animal side of man" [syn: {intellectual}] 3: (math) capable of being expressed as a quotient of integers; "rational numbers" [ant: {irrational}] 4: having its source in or being guided by the intellect (distinguished from experience or emotion); "a rational analysis" From The Free On-line Dictionary of Computing (13 Mar 01) [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}. From THE DEVIL'S DICTIONARY ((C)1911 Released April 15 1993) [devils]: RATIONAL, adj Devoid of all delusions save those of observation, experience and reflection.

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