複ふく素そ平へい面めん

noun

complex plane

Mathematical term for the plane representing complex numbers, with the real part on the x-axis and the imaginary part on the y-axis.

• 複ふく素そ平へい面めん上じょうで、実じっ数すうは横よこ軸じくに、虚きょ数すうは縦たて軸じくに表あらわされる。

  On the complex plane, real numbers are represented on the horizontal axis and imaginary numbers on the vertical axis.