noun
complex interval
Rare mathematical term referring to an interval in the complex plane, likely used in specialized contexts such as complex analysis or interval arithmetic.
複素区間の概念は、複素解析の一部の分野で用いられる。
The concept of complex intervals is used in some areas of complex analysis.
Compound of 複素 (complex number) and 区間 (interval). The exact origin is uncertain; it is a technical term likely coined in mathematical literature.