irrational
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English[edit]
Etymology[edit]
From Latin irratiōnālis, from ir- + ratiōnālis.
Pronunciation[edit]
Adjective[edit]
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.
- Antonym: rational
- Hyponyms: transcendental, uncomputable
Derived terms[edit]
Translations[edit]
unfounded or nonsensical
mathematics: of a number
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- The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout § Translations.
Translations to be checked
Noun[edit]
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[edit]
irrational number
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German[edit]
Alternative forms[edit]
Pronunciation[edit]
Adjective[edit]
irrational (strong nominative masculine singular irrationaler, comparative irrationaler, superlative am irrationalsten)
Declension[edit]
Positive forms of irrational
Comparative forms of irrational
Superlative forms of irrational
Categories:
- English terms derived from Latin
- English 4-syllable words
- English terms with IPA pronunciation
- English terms with audio links
- Rhymes:English/æʃənəl
- Rhymes:English/æʃənəl/4 syllables
- English lemmas
- English adjectives
- English terms with usage examples
- 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