real part

[ree-uhl, reel]
noun Mathematics.
the number a in the complex number a + bi.
Compare imaginary part.

1960–65 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
real part
the term a in a complex number a + ib, where i = √--1

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Example sentences
It was about whether action outside a system that few of us are, or can be, a real part of can affect the world.
Every individual, every people has a past, always part real part imagined.
The real part of the refractive index was measured by an oil immersion technique.
Risk is a real part of life that cannot be completely avoided by anyone.
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