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complex plane

noun

: a plane whose points are identified by means of complex numbers
especially : argand diagram

Examples of complex plane in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
One common logic gate, called a T gate, rotates the vector representing the quantum bit’s state around the complex plane. Daniel Garisto, Quanta Magazine, 7 Nov. 2025 Figuring out where those zeros are located on the complex plane is one of the most interesting questions in mathematics. Jordana Cepelewicz, WIRED, 4 Aug. 2024

Word History

First Known Use

circa 1909, in the meaning defined above

Time Traveler
The first known use of complex plane was circa 1909

Cite this Entry

“Complex plane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/complex%20plane. Accessed 29 Nov. 2025.

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