Dictionary.com
Thesaurus.com
Showing results for real part. Search instead for real paint.

real part

American  
[ree-uhl, reel] / ˈri əl, ril /

noun

Mathematics.
  1. the number a in the complex number a + bi.


real part British  

noun

  1. 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

Etymology

Origin of real part

First recorded in 1960–65

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In the mathematical description of a quantum state, the real part represents the amplitude, while the imaginary part represents the phase.

From Science Daily Jul. 13, 2026

Yet, much like the entire $7.2 trillion federal budget, it is a bit of a phantasm—part real, part fantasy, part nightmare, not likely to materialize in life, except as a warped caricature of itself.

From Slate Mar. 12, 2024

“This is a very real part of the museum,” she says, briefly poking her head out.

From Seattle Times Jan. 26, 2024

This season was so much about trauma, which is a word that has become a real part of the cultural conversation over the last few years.

From Salon Jan. 17, 2024

The horizontal axis represents the real part of the complex number, while the vertical axis represents the imaginary part.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training