tvinnfall

== Icelandic == === Etymology === From tvinn- +‎ fall. === Noun === tvinnfall n (genitive singular tvinnfalls, nominative plural tvinnföll) (mathematics) complex function, complex-valued function Synonyms: tvinngilt fall, tvinntölugilt fall ==== Declension ==== ==== Derived terms ==== tvinnfallafræði, tvinnfallagreining (“complex analysis, function theory”)