a real number that cannot be expressed as a rational number
Adjective:
not consistent with or using reason;
"irrational fears"
"irrational animals"
real but not expressible as the quotient of two integers;
"irrational numbers"
irrational的用法和样例：
例句
用作名词 (n.)
This theory holds for all irrational numbers. 这个理论适用于所有的无理数。
The logical definition of the irrational number is rather sophisticated. 无理数的逻辑主义是颇有些不自然的。
用作形容词 (adj.)
But it would never occur to anyone to call their method planless and irrational. 但谁都不会想到称他们的方法是无计划无理性的。
Disregarding our zealous interest on the product, we discovered something which was considered irrational and unacceptable by us. 在产品上不理我们的热心的兴趣，我们发现被考虑被我们无理性的和不能接受的某物。
The irrational rules must be changed. 不合理的规定必须加以改革。
But irrational reproaches were easier to bear than the sense of being instructed. 但是不合理的指责还算不得什么，更难受的是意识到自己给人抓了岔子。
