[математика] иррациональное число
иррациональное число Смотри также: natural number, real number
иррациональное число
noun a number that can be expressed as an infinite decimal with no set of consecutive digits repeating itself indefinitely and that cannot be expressed as the quotient of two integers
A real number which is not a rational number, i.e. it is not the ratio of two integers. The decimal expansion of an irrational is infinite but does not end in an infinite repeating sequence of digits. Examples of irrational numbers are pi, e and the square root of two.