thumb|Elevator panel in a building in the United States, where floors proceed from 12 to 14
Triskaidekaphobia is an irrational fear of the number 13, which is so widespread that many buildings skip the number when labeling floors—jumping directly from floor 12 to floor 14, as shown in this elevator panel. While the fear itself has no rational basis, it matters because it influences real-world design decisions and reveals how cultural beliefs can shape everyday architecture and behavior.
AI-generated from the Wikipedia summary — may contain errors.
thumb|Elevator panel in a building in the United States, where floors proceed from 12 to 14
Triskaidekaphobia ( , ; ) is fear or avoidance of the number . It is also a reason for the fear of Friday the 13th, called paraskevidekatriaphobia () or friggatriskaidekaphobia ( and ).
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).