rational

Pronunciation Adjective

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Pronunciation Adjective

**rational**

- Capable of reasoning.
*Man is a***rational**creature.

- Logically sound; not contradictory or otherwise absurd.
*His statements were quite***rational**.

- (
*of a person or personal characteristics*) Healthy or balanced intellectually; exhibiting reasonableness.**rational**conduct

- (
*mathematics, arithmetic, number theory, not comparable*) Of a number, capable of being expressed as the ratio of two integers.*¾ is a***rational**number, but √2 is an irrational number.

- (
*mathematics, arithmetic, not comparable*) Of an algebraic expression, capable of being expressed as the ratio of two polynomials. - (
*chemistry*) Expressing the type, structure, relations, and reactions of a compound; graphic; said of formulae. - (
*physics*) Expressing a physical object.*A***rational**table is physical, a written table is neither.

- (
*reasonable*) absurd, irrational, nonsensical - (
*capable of reasoning*) arational, irrational, non-rational - (
*number theory*) irrational

- French: rationnel, rationnelle
- German: vernünftig, sinnvoll, rational
- Portuguese: racional
- Russian: мы́слящий
- Spanish: racional

- French: raisonnable
- German: vernünftig
- Italian: razionale
- Portuguese: racional
- Russian: рациона́льный
- Spanish: razonable

- French: rationnel, rationnelle
- German: rational
- Italian: razionale
- Portuguese: racional
- Russian: рациона́льный
- Spanish: racional

**rational** (*plural* rationals)

- (
*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**.

**rational** (*plural* rationals)

- (
*historical*) The breastplate worn by Israelite high priests.**1609**, The Holie Bible, […] (Douay–Rheims Bible), Doway: Lavrence Kellam, […], OCLC 1006139495 ↗, Exodvs 28:15, page 234 ↗:- 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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