Ludolfzahl
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German
[edit]Etymology
[edit]Ludolf (“Ludolph”) + Zahl (“number”) (an irrational constant named after mathematian Ludolph van Ceulen (1540-1610))
Pronunciation
[edit]Proper noun
[edit]Ludolfzahl f (genitive Ludolfzahl, no plural)
- (mathematics) Ludolph's number or Ludolphine number: the number π (an irrational constant representing the ratio of a circle's circumference to its diameter in Euclidean geometry; approximately 3.14159...,)
- Synonyms: π, Pi, Archimedes-Konstante, Kreiskonstante, Kreiszahl, ludolfsche Zahl
Declension
[edit]Declension of Ludolfzahl [sg-only, feminine]
Further reading
[edit]- “Ludolfzahl” in Digitales Wörterbuch der deutschen Sprache
- “Ludolfzahl” in Duden online