複ふく素そ数すう体たい

noun

field of complex numbers

Technical term in abstract algebra; refers to the set of complex numbers equipped with addition and multiplication, forming a field.

• 複ふく素そ数すう体たいは実じっ数すう体たいの二に次じ拡かく大だいである。

  The field of complex numbers is a quadratic extension of the real number field.