Definition of rational number noun from the Oxford Advanced Learner's Dictionary


rational number

BrE BrE//ˈræʃnəl nʌmbə(r)//
; NAmE NAmE//ˈræʃnəl nʌmbər//
(mathematics) Mathematical terminology
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a number that can be expressed as the ratio of two whole numbers See related entries: Mathematical terminology
See the Oxford Advanced American Dictionary entry: rational number