What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

What is the difference between irrational and arachnophobia?

irrational | arachnophobia |

As nouns the difference between irrational and arachnophobia

is that irrational is a real number that can not be expressed as the quotient of two integers, an irrational number while arachnophobia is an abnormal or irrational fear of spiders.

As an adjective irrational

is not rational; unfounded or nonsensical.

irrational

English

Adjective

(en adjective)
  • Not rational; unfounded or nonsensical.
  • an irrational decision
  • * July 18 2012 , Scott Tobias, AV Club The Dark Knight Rises [http://www.avclub.com/articles/the-dark-knight-rises-review-batman,82624/]
  • 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

    * irrational number * irrationality * irrationalize * irrationalization

    Noun

    (en noun)
  • 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.

    arachnophobia

    Alternative forms

    * arachnephobia

    Noun

    (en-noun)
  • An abnormal or irrational fear of spiders.
  • Derived terms

    * arachnophobe * arachnophobic

    See also

    * arachnid * spider