real part

[ ree-uhl, reel ]
/ ˈri əl, ril /

noun Mathematics.

the number a in the complex number a + bi.

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Compare imaginary part.

Origin of real part

First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for real part

real part

noun

the term a in a complex number a + i b, where i = √–1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012