real number[rēˈəl, rēl]
- The definition of a real number is any positive or negative number on the number line.
An example of a real number is 1/2, 0, 1, 2, 3, 4, 5, etc.
Three is a real number.
real number definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Math. any rational or irrational number not having an imaginary part
real number definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A number that is rational or irrational, not imaginary.
real number - Science Definition
A number that can be written as a terminating or nonterminating decimal; a rational or irrational number. The numbers 2, -12.5, 3/7 , and pi (π) are all real numbers.