irrational number

Noun CEFR B2

Definitions

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

Equivalents

Españolnúmero irracional

Françaisnombre irrationnel

Deutschirrationale Zahl

23 more languages

Bosanskiiracionalni broj

Catalànombre irracional

Češtinairacionální číslo

Ελληνικάάρρητος αριθμός

Esperantoneracionala nombro

Suomiirrationaaliluku

Gaeilgeuimhir éagóimheasta

हिन्दीअपरिमेय संख्या

Hrvatskiiracionalni broj

Magyarirracionális szám

Հայերենիռացիոնալ թիվ

Íslenskaóræð tala

Italianonumero irrazionale

日本語無理数

Қазақ тіліиррационал сан

한국어무리수

Polskiliczba niewymierna

Portuguêsnúmero irracional

Românănumăr irațional

Русскийиррациона́льное число́

Српскиiracionalni broj

Türkçeirrasyonel sayı

Tiếng Việtsố vô tỉ

Examples

“The square root of a positive integer is an irrational number ⟳ unless the positive integer is a perfect square, in which case the square root will also be a positive integer.”

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See all B2 English words →

See also

irrationalism irrationalist Irrationality Irrationally Irrationalness Irrationals

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