# real number

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Related to real number: real number system

## re·al number

(rē′əl, rēl)*n.*

A number that is either rational or the limit of a sequence of rational numbers.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

## real number

*n*

(Mathematics) a number expressible as a limit of rational numbers. See number

^{1}Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

## re′al num′ber

(ˈri əl, ril)*n.*

a rational number or the limit of a sequence of rational numbers.

[1905–10]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

## re·al number

(rē′əl) A number that is rational or irrational and not imaginary. The numbers 2, -12.5,

^{3}/_{7}, and pi are all real numbers.The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ThesaurusAntonymsRelated WordsSynonyms

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Noun | 1. | real number - any rational or irrational numberdot product, inner product, scalar product - a real number (a scalar) that is the product of two vectors complex number, complex quantity, imaginary, imaginary number - (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1 rational, rational number - an integer or a fraction irrational, irrational number - a real number that cannot be expressed as a rational number |

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

Translations

**reálné číslo**

**reelle Zahl**

**reaaliluku**

**nombre réel**

**realni broj**

**valós szám**

**reëel getal**

**liczba rzeczywista**

**reellt tal**

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

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