óræð tala

Icelandic

Etymology

From óræð the feminine of óræður (“irrational”) + tala (“number”).

Noun

óræð tala f (genitive singular óræðrar tölu, nominative plural óræðar tölur)

1. (mathematics, arithmetic, not comparable) an irrational number; any real number that cannot be expressed as a ratio of two integers

   π er óræð tala.

   The number π is irrational.

Antonyms

• (irrational number): ræð tala