real number
[ ree-uh l, reel ]
/ ˈri əl, ril /
noun Mathematics.
a rational number or the limit of a sequence of rational numbers, as opposed to a complex number.
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Nearby words
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Origin of real number
First recorded in 1905–10
Also called real.
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for real number
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Science definitions for real number
real number
[ rē′əl ]
A number that can be written as a terminating or nonterminating decimal; a rational or irrational number. The numbers 2, -12.5, 37, and pi (π) are all real numbers.
The American Heritage® Science Dictionary
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