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rational number

noun

Definition of rational number

: a number that can be expressed as an integer or the quotient of an integer divided by a nonzero integer

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First Known Use of rational number

1873

in the meaning defined above

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RATIONAL NUMBER Defined for Kids

rational number

noun

Definition of rational number for Students

: a number that can be expressed as a whole number or the quotient of two whole numbers

Learn More about rational number

  1. Britannica.com: Encyclopedia article about rational number

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