**Irrational Number** — [engl.], irrationale Zahl … Universal-Lexikon

**Irrational number** — In mathematics, an irrational number is any real number that is not a rational number that is, it is a number which cannot be expressed as a fraction m / n , where m and n are integers, with n non zero. Informally, this means numbers that cannot… … Wikipedia

**irrational number** — noun a real number that cannot be expressed as a rational number • Syn: ↑irrational • Hypernyms: ↑real number, ↑real • Hyponyms: ↑transcendental number, ↑algebraic number * * * Math. a … Useful english dictionary

**irrational number** — Math. a number that cannot be exactly expressed as a ratio of two integers. [1545 55] * * * Among the real numbers, any of those that cannot be represented as quotients of integers. In decimal form, irrational numbers are represented by… … Universalium

**irrational number** — number that cannot be expressed as the ratio of two whole numbers (Mathematics) … English contemporary dictionary

**irrational number** — noun Any real number that cannot be expressed as a ratio of two integers … Wiktionary

**irrational number** — A real number that is not rational … Philosophy dictionary

**irrational number** — irra′tional num′ber n. math. a number that cannot be exactly expressed as a ratio of two integers • Etymology: 1545–55 … From formal English to slang

**Irrational** — may refer to: *Irrationality *Irrational rhythm, *Irrational exuberance *Irrational GamesIn mathematics: *Irrational number *Proof that e is irrational *Proof that pi; is irrational *Quadratic irrational *List of integrals of irrational… … Wikipedia

**Number** — For other uses, see Numbers (disambiguation). A number is a mathematical object used to count and measure. In mathematics, the definition of number has been extended over the years to include such numbers as zero, negative numbers, rational… … Wikipedia