irrational number (redirected from Irrational.number)

irrational number

n.

Any real number that cannot be expressed as a ratio between two integers.

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irrational number

n

(Mathematics) any real number that cannot be expressed as the ratio of two integers, such as π

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irrational number  (-rsh-nl)

A number that cannot be expressed as a ratio between two integers and is not an imaginary number. If written in decimal notation, an irrational number would have an infinite number of digits to the right of the decimal point, without repetition. Pi and the square root of 2 (2) are irrational numbers.

Thesaurus

Noun

1.

irrational number - a real number that cannot be expressed as a rational number irrational real, real number - any rational or irrational number transcendental number - an irrational number that is not algebraic algebraic number - root of an algebraic equation with rational coefficients