irrational
English
Etymology
From (deprecated template usage) [etyl] Latin irratiōnālis, from ir- + ratiōnālis.
Pronunciation
Adjective
irrational (comparative more irrational, superlative most irrational)
- Not rational; unfounded or nonsensical.
- an irrational decision
- July 18, 2012, Scott Tobias, AV Club The Dark Knight Rises[1]
- Where the Joker preys on our fears of random, irrational acts of terror, Bane has an all-consuming, dictatorial agenda that’s more stable and permanent, a New World Order that’s been planned out with the precision of a military coup.
- (mathematics, arithmetic, number theory, not comparable) Of a real number, that cannot be written as the ratio of two integers.
- The number π is irrational.
Antonyms
- (mathematics): rational
Hyponyms
- (mathematics): transcendental
Derived terms
Translations
unfounded or nonsensical
mathematics: of a number
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Translations to be checked
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Noun
irrational (plural irrationals)
- A real number that can not be expressed as the quotient of two integers, an irrational number.
- 1946, Bertrand Russell, History of Western Philosophy, I.24:
- 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.
- 1946, Bertrand Russell, History of Western Philosophy, I.24:
Translations
irrational number
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German
Alternative forms
Pronunciation
Adjective
irrational (comparative irrationaler, superlative am irrationalsten)
Declension
Categories:
- English terms derived from Latin
- English 4-syllable words
- English terms with IPA pronunciation
- English lemmas
- English adjectives
- en:Mathematics
- en:Arithmetic
- en:Number theory
- English nouns
- English countable nouns
- German 4-syllable words
- German terms with IPA pronunciation
- German terms with audio links
- German lemmas
- German adjectives