WordReference Random House Unabridged Dictionary of American English © 2026
com′plex plane′, [Math.]
  1. Mathematicsa plane the points of which are complex numbers. Cf. Argand diagram.
  • 1905–10

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'complex plane' also found in these entries (note: many are not synonyms or translations):
contour integration - cross ratio - extended complex plane - Möbius transformation - real line - stereographic projection

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