rational [i r2.qnl ]     (순위: 5722 - 고3 수준)   뜻  합리이성적인,이성적인 Mean  Having or exercising the ability to reason. 파생어 rationalize  [동] rationally  [부] rationalness  [명] 예문 1. a rational decision (이성적인 결정) 2. a rational negotiator (분별있는 교섭자) 3. The patient seems perfectly rational. (환자는 완전히 정상으로 보인다) 4. a rational expression (유리식) 5. rational faculty (추리력)