complex plane


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

Example Sentences

Recent Examples on the Web The result is a sequence of points that form elaborate fractal paths through the complex plane. Quanta Magazine, 23 Mar. 2022 The two dynamical systems generated points on the same actual space, the complex plane. Quanta Magazine, 22 Feb. 2021 The same process works in the complex plane for multiplication by a positive number: 3 times 2 + 2i = 6 + 6i. Quanta Magazine, 14 Feb. 2019 The midpoint of two points on the complex plane is simply their mean. Quanta Magazine, 22 Mar. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'complex plane.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

circa 1909, in the meaning defined above

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

Dictionary Entries Near complex plane

Cite this Entry

“Complex plane.” Dictionary, Merriam-Webster, Accessed 27 Jan. 2023.

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