Back Tetrafobia AST Tetrafobiya Azerbaijani Тетрафобия Bulgarian Tetrafobija BS Tetrafòbia Catalan Giăng 4 CDO Tetrafobie Czech Tetraphobie German Kvarfobio Esperanto Tetrafobia Spanish
 | This article needs additional citations for verification. (August 2024) |
.jpg)
Tetraphobia (from Ancient Greek τετράς (tetrás) 'four' and Ancient Greek φόβος (phóbos) 'fear') is the practice of avoiding instances of the digit 4. It is a superstition most common in East Asian nations and is associated with death.[1]
- ^ Havil, Julian (2007). Nonplussed: Mathematical Proof of Implausible Ideas (Hardcover). Princeton University Press. p. 153. ISBN 978-0-691-12056-0.