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Irrational

Noun CEFR C2 Standard
ɪˈɹæʃ.(ə.)nəl

Definitions

A real number that can not be expressed as the quotient of two integers, an irrational number.

Equivalents

26 more languages

Examples

“The square root of 2, which was the first irrational to be discovered, was known to the early Pythagoreans, and ingenious methods of approximating to its value were discovered.”

CEFR level

C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
See all C2 English words →

See also

irrational number irrationalism irrationalist Irrationality Irrationally Irrationalness

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