branch cut

Noun

 * 1)  A curve in the complex plane such that it is possible to define a single analytic branch of a multi-valued function on the plane minus that curve.

Translations

 * Chinese:
 * Mandarin: 分支切割
 * Finnish: leikkauskäyrä
 * French:
 * German: ,
 * Portuguese:
 * Russian:
 * Spanish: