irrational number


irrational number

noun

Definition of IRRATIONAL NUMBER

:  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

First Known Use of IRRATIONAL NUMBER

1551

irrational number

noun    (Concise Encyclopedia)

Among the real numbers, any of those that cannot be represented as quotients of integers. In decimal form, irrational numbers are represented by nonterminating, nonrepeating decimals. Examples include square roots of prime numbers and such transcendental numbers as and e.

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